﻿{"id":107,"date":"2026-08-03T14:25:13","date_gmt":"2026-08-03T06:25:13","guid":{"rendered":"https:\/\/aegisgreenhouse.com\/blog\/when-to-budget-greenhouse-water-treatment\/"},"modified":"2026-08-03T14:25:14","modified_gmt":"2026-08-03T06:25:14","slug":"when-to-budget-greenhouse-water-treatment","status":"publish","type":"post","link":"https:\/\/aegisgreenhouse.com\/blog\/when-to-budget-greenhouse-water-treatment\/","title":{"rendered":"When to Budget for Greenhouse Water Treatment: Early Cost Triggers and Supplier Scope"},"content":{"rendered":"<h2>The Short Answer: When Water Treatment Belongs in the First Budget<\/h2>\n<p>A <strong>greenhouse water treatment budget<\/strong> belongs in the first project allowance when available or pending source-water information could materially change raw-water storage, treatment space, drainage routing, or the scope boundaries used to compare supplier quotations. This is preliminary budget-and-scope guidance, not laboratory analysis, hydraulic design, supplier engineering, or discharge approval.<\/p>\n<p>Aegis supports commercial greenhouse teams through consulting, planning, technology-selection support, supplier coordination, and project-management assistance. Final duty still depends on verified water quality, peak irrigation flow, crop programme, and site conditions. See our <a href=\"\/resources\/greenhouse-water-quality-requirements\/\">greenhouse water-quality requirements<\/a> for detailed figures.<\/p>\n<p><strong>Decision rule:<\/strong> Reserve an early allowance when delaying the water decision could make a 1\u20133 day raw-water storage provision, an 80\u2013130 micron filtration baseline, treatment footprint, electrical capacity, or drainage interface an unpriced variation after quotations are received.<\/p>\n<h2>Four Triggers That Justify an Early Treatment Allowance<\/h2>\n<p>The budget trigger is not one flagged water result. Include an early allowance when an unresolved source-water issue could alter raw-water storage, a treatment interface, drainage boundaries or the crop programme; irrigation-water decisions should be assessed as a combination of source, crop and operating conditions rather than in isolation. See our <a href=\"\/resources\/greenhouse-crop-selection-guide\/\">crop-fit implications for irrigation water<\/a> for detailed figures.<\/p>\n<h3>1. Source continuity is uncertain<\/h3>\n<p>Where a borehole, canal, municipal connection or delivered-water source may be interrupted, reserve space and budget for raw-water storage of <strong>1\u20133 days of irrigation demand (Reference Baseline)<\/strong>. A tank and transfer-pump arrangement can change the civil footprint, intake controls and filtration operating window, so it should be visible before greenhouse quotations are compared.<\/p>\n<h3>2. The proposed crop has limited water-quality headroom<\/h3>\n<p>Crop sensitivity can change the treatment allowance because nutrient-recipe flexibility differs between crops. Review the proposed programme against <a href=\"\/resources\/greenhouse-crop-selection-guide\/\">greenhouse crop-selection implications<\/a> before fixing fertigation infrastructure; a crop with tighter salt or alkalinity tolerance may require allowance for blending, acid-dosing capacity or a different source-water strategy.<\/p>\n<h3>3. Recirculation is part of the irrigation concept<\/h3>\n<p>A recirculating system introduces a hygiene and treatment interface beyond a 4 L\/h drip-irrigation supply line. Allow for filtration and UV sterilization evaluation where return water is intended for reuse, while recognizing that UV equipment requires upstream solids control and does not replace irrigation-system sanitation practices.<\/p>\n<h3>4. Drainage or concentrate routing is constrained<\/h3>\n<p>If blending or reverse-osmosis evaluation is possible, the project boundary must accommodate drainage routing before site layouts are fixed. A reverse-osmosis concept may introduce a <strong>0.5\u20132.0 MPa class high-pressure duty (Reference Baseline)<\/strong> and a concentrate stream; routing, collection and local discharge responsibilities should therefore remain an explicit early allowance rather than an unpriced supplier exclusion.<\/p>\n<h2>How Greenhouse Irrigation Water Risk Changes the Scope<\/h2>\n<p>Water reports should be read as scope inputs, not as automatic equipment instructions. Dissolved constituents such as EC, bicarbonate and sodium can affect blending, acid-dosing capacity and nutrient-recipe headroom; iron and suspended solids instead affect the duty of an 80\u2013130 micron disc filter or sand-media filter. For parameter context and sampling logic, consult the <a href=\"\/resources\/greenhouse-water-quality-requirements\/\">greenhouse water-quality requirements guide<\/a>.<\/p>\n<table>\n<thead>\n<tr>\n<th>Water-risk input<\/th>\n<th>Preliminary scope response<\/th>\n<th>Allowance implication<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EC, sodium or other dissolved salts<\/td>\n<td>Assess source blending and reverse-osmosis evaluation rather than relying on particulate filtration.<\/td>\n<td>Reserve treatment-skid space, blending connections and drainage-route review; final membrane duty requires verified feed water and peak flow.<\/td>\n<\/tr>\n<tr>\n<td>Bicarbonate alkalinity<\/td>\n<td>Confirm acid-dosing range and interface with an EC\/pH automatic dosing controller.<\/td>\n<td>Include chemical-storage and dosing-panel provisions; alkalinity can alter acid demand and nutrient-recipe flexibility.<\/td>\n<\/tr>\n<tr>\n<td>Iron and suspended solids<\/td>\n<td>Evaluate 80\u2013130 micron disc filtration or sand-media filtration against raw-water loading and emitter requirements.<\/td>\n<td>Allow for filter vessels, backwash connections and transfer-pump capacity; the final micron rating follows emitter-passage and hydraulic confirmation.<\/td>\n<\/tr>\n<tr>\n<td>Microbial exposure, especially with return water<\/td>\n<td>Evaluate UV sterilization after upstream solids control, alongside irrigation hygiene procedures.<\/td>\n<td>Include UV chamber space, electrical connection and maintenance access; UV does not replace filtration or sanitation practice.<\/td>\n<\/tr>\n<tr>\n<td>Chloride, boron or crop-sensitive ions<\/td>\n<td>Review crop-fit constraints, blending feasibility and dissolved-salt reduction options.<\/td>\n<td>Keep a treatment allowance open where the proposed crop programme has limited nutrient-recipe headroom.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The key distinction is engineering duty: a disc filter can protect a 4 L\/h drip-irrigation concept from particulate loading, but it does not reduce dissolved salts. Likewise, an EC\/pH controller can manage dosing only within the available source-water chemistry; it cannot remove sodium, chloride or boron without a separate blending or membrane-based approach.<\/p>\n<h2>Greenhouse Water Treatment Cost Drivers to Allow Before Quotes<\/h2>\n<p>A greenhouse water treatment budget should reserve for scope that moves with hydraulic duty, rather than a guessed equipment price. For early planning, separate the installed infrastructure around raw-water handling, filtration and controls from the recurring exposure of consumables, cleaning, maintenance and operator time.<\/p>\n<table>\n<thead>\n<tr>\n<th>Allowance category<\/th>\n<th>Initial capital allowance<\/th>\n<th>Operating and maintenance implication<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Raw-water storage<\/td>\n<td>Allow space and civil connections for 1\u20133 days of irrigation demand (Reference Baseline), including a lined tank or sectional storage tank.<\/td>\n<td>Inspect tank hygiene, level sensors and transfer-pump operation; actual storage volume follows source continuity and peak demand.<\/td>\n<\/tr>\n<tr>\n<td>Intake and transfer<\/td>\n<td>Include intake pump, transfer pump, isolation valves and flow-meter connections sized to the preliminary peak irrigation flow (Reference Baseline).<\/td>\n<td>Allow for pump servicing, seals, electrical consumption and duty\/standby operating strategy.<\/td>\n<\/tr>\n<tr>\n<td>Particulate filtration<\/td>\n<td>Reserve a skid footprint, pipework and bypass arrangement for 80\u2013130 micron disc filtration (Reference Baseline) or an equivalent final supplier design.<\/td>\n<td>Include flushing or backwash water, filter-element inspection and replacement consumables where required.<\/td>\n<\/tr>\n<tr>\n<td>Treatment skid and chemical area<\/td>\n<td>Protect floor area, drainage, bunded chemical-handling space and access around an EC\/pH automatic dosing controller or treatment skid.<\/td>\n<td>Acid or alkali handling, calibration solutions, cleaning chemicals and trained operator routines can become recurring requirements.<\/td>\n<\/tr>\n<tr>\n<td>Electrical and controls integration<\/td>\n<td>Include a local control panel, electrical distribution capacity, alarms and interface points between water treatment, storage levels and irrigation controls.<\/td>\n<td>Budget for sensor calibration, controller support and periodic checks of flow, EC and pH signals.<\/td>\n<\/tr>\n<tr>\n<td>Backwash and drainage<\/td>\n<td>Allow pipe routes, collection points and drainage capacity for filter backwash water before site layouts are fixed.<\/td>\n<td>Backwash frequency, solids disposal and drainage management depend on raw-water loading and final filtration duty.<\/td>\n<\/tr>\n<tr>\n<td>Commissioning and service<\/td>\n<td>Include commissioning access, sampling points, operator handover and a documented maintenance schedule in the initial scope.<\/td>\n<td>Make consumables, cleaning, membrane replacement where applicable, service intervals and operator responsibilities visible as separate recurring items.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Treatment Options and Their Budget Consequences<\/h2>\n<p>Disc filtration, sand-media filtration, UV sterilization, blending and reverse osmosis perform different engineering duties. They should not be treated as interchangeable line items: an 80\u2013130 micron filtration stage addresses suspended solids, while dissolved-salt management requires a blending or membrane-separation evaluation.<\/p>\n<table>\n<thead>\n<tr>\n<th>Option<\/th>\n<th>Duty<\/th>\n<th>Preliminary allowance implication<\/th>\n<th>Operating implication<\/th>\n<th>Supplier-confirmation boundary<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Disc filtration<\/td>\n<td>Captures particulate matter at an 80\u2013130 micron reference-baseline range.<\/td>\n<td>Allow for disc-filter housing, flush valves, transfer-pump interface and floor drainage.<\/td>\n<td>Includes flushing water, pressure monitoring and periodic element cleaning.<\/td>\n<td>Confirm final micron rating against emitter passage, solids loading and peak irrigation flow.<\/td>\n<\/tr>\n<tr>\n<td>Sand-media filtration<\/td>\n<td>Provides deeper particulate removal where raw water has higher organic or mineral solids loading.<\/td>\n<td>Allow vessel footprint, media vessels, backwash valves and a backwash-water route.<\/td>\n<td>Includes backwash volume, media condition checks and valve maintenance.<\/td>\n<td>Confirm media configuration, vessel diameter and backwash flow from verified water conditions.<\/td>\n<\/tr>\n<tr>\n<td>UV sterilization<\/td>\n<td>Supports recirculation-hygiene evaluation through a UV reactor with upstream solids control.<\/td>\n<td>Allow reactor space, electrical connection, bypass piping and controls interface.<\/td>\n<td>Includes lamp replacement, sleeve cleaning and electrical demand.<\/td>\n<td>Confirm UV duty, transmission conditions and flow rate; UV does not replace filtration or sanitation practice.<\/td>\n<\/tr>\n<tr>\n<td>Blending<\/td>\n<td>Combines two water sources to manage dissolved-salt or alkalinity exposure within the nutrient-recipe target.<\/td>\n<td>Allow separate storage or transfer paths, flow meters, mixing controls and EC\/pH controller integration.<\/td>\n<td>Includes monitoring, source-availability management and dosing adjustment.<\/td>\n<td>Confirm source consistency, blend ratio range, hydraulic capacity and crop programme compatibility.<\/td>\n<\/tr>\n<tr>\n<td>Reverse-osmosis evaluation<\/td>\n<td>Uses membrane separation to reduce dissolved constituents, producing permeate and a concentrated reject stream.<\/td>\n<td>Allow pretreatment space, a 0.5\u20132.0 MPa class high-pressure duty, electrical capacity and concentrate-routing provision.<\/td>\n<td>Includes energy, cleaning chemicals, membrane replacement and concentrate handling.<\/td>\n<td>Confirm feed-water analysis, membrane configuration, recovery design, pretreatment and local drainage conditions; the final duty is supplier-specific.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For a greenhouse water treatment budget, the practical distinction is straightforward: filtration protects hydraulic equipment from particles, while blending or reverse-osmosis evaluation addresses dissolved-water constraints. A reverse-osmosis allowance must also retain space for permeate and concentrate routing; final routing requirements depend on feed-water chemistry, recovery design and site drainage conditions.<\/p>\n<h2>Fertigation Compatibility: Why Treatment Affects Irrigation Control<\/h2>\n<p>An <strong>EC\/pH automatic dosing controller<\/strong> can only hold a nutrient recipe consistently when incoming water is understood and treatment outputs are stable. Alkalinity can increase acid demand, while soluble salts reduce EC headroom for added fertilizer; both factors may alter nutrient-stock selection and dosing capacity for crop programmes sensitive to salt accumulation.<\/p>\n<p>For a <strong>4 L\/h drip-emitter<\/strong> concept (Reference Baseline), treatment and filtration must protect emitter passages without creating unnecessary pressure loss or backwash interruptions. A 4 L\/h nominal flow does not establish a final <strong>80\u2013130 micron<\/strong> filtration rating: the irrigation supplier should confirm the required micron duty against emitter passage geometry, raw-water solids loading, irrigation-zone flow and the selected disc or sand-media filtration train.<\/p>\n<h3>Fertigation and treatment interface checklist<\/h3>\n<ul>\n<li><strong>Dosing controls:<\/strong> Define the EC\/pH automatic dosing-controller signal and control interface with the treatment skid, including treated-water availability and alarm status.<\/li>\n<li><strong>Nutrient stocks:<\/strong> Check acid dosing capacity and fertilizer compatibility against source-water alkalinity, EC and selected blending or membrane-treatment approach.<\/li>\n<li><strong>Emitter protection:<\/strong> Confirm filtration duty from the 4 L\/h emitter passage specification, peak zone flow and solids loading; do not rely on the 80\u2013130 micron Reference Baseline as a final design.<\/li>\n<li><strong>Backwash management:<\/strong> Identify whether disc or sand-media filter backwash draws from treated water, raw water or dedicated storage, and document the resulting irrigation interruption or water-volume requirement.<\/li>\n<li><strong>Return-water interface:<\/strong> Where recirculation is planned, define the return-water tank, UV sterilization interface where evaluated, and EC\/pH re-entry controls separately from routine hygiene procedures.<\/li>\n<\/ul>\n<p>Aegis can conduct a project water-risk and preliminary treatment-scope review using the available water report, crop plan, target area and irrigation-demand estimate, helping teams align fertigation controls and supplier scope before quotations are compared.<\/p>\n<h2>Define Water Treatment Scope Before Comparing Supplier Offers<\/h2>\n<p>Comparable quotations need a common design basis, not simply similar equipment names. Ask each supplier to declare the same hydraulic duty, water-quality assumptions and project boundaries so that a 100 micron disc-filter proposal, a sand-media train or a 0.5\u20132.0 MPa reverse-osmosis option is evaluated on like-for-like scope.<\/p>\n<table>\n<thead>\n<tr>\n<th>Scope field<\/th>\n<th>Required declaration<\/th>\n<th>Commercial reason<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Inlet-water basis<\/td>\n<td>Laboratory-report date, source type, available EC, alkalinity, sodium, iron and suspended-solids information; state all assumed values.<\/td>\n<td>Shows whether the proposed treatment duty is based on verified water data or a stated planning assumption.<\/td>\n<\/tr>\n<tr>\n<td>Hydraulic duty<\/td>\n<td>Peak irrigation flow in m\u00b3\/h, irrigation-zone sequence and design operating hours.<\/td>\n<td>Prevents a treatment skid from being priced for a lower flow than the 4 L\/h drip-irrigation layout requires.<\/td>\n<\/tr>\n<tr>\n<td>Raw-water storage<\/td>\n<td>Tank volume, material specification, transfer-pump duty and storage autonomy; identify any 1\u20133 day reference baseline used.<\/td>\n<td>Separates source-continuity storage from process-water or backwash-water storage.<\/td>\n<\/tr>\n<tr>\n<td>Filtration and treatment duty<\/td>\n<td>Final micron rating, such as an 80\u2013130 micron reference baseline, plus sand-media, membrane or UV sterilization duty where applicable.<\/td>\n<td>Confirms that particulate removal, dissolved-salt management and hygiene control have not been treated as interchangeable.<\/td>\n<\/tr>\n<tr>\n<td>Fertigation controls interface<\/td>\n<td>EC\/pH automatic dosing-controller interface, interlocks, flow-meter signals and alarms included or excluded.<\/td>\n<td>Defines responsibility for stable control between the treatment train and nutrient-dosing system.<\/td>\n<\/tr>\n<tr>\n<td>Water residuals and drainage<\/td>\n<td>Backwash-water demand, reverse-osmosis concentrate assumptions, drainage connection point and party responsible for routing.<\/td>\n<td>Prevents unpriced site works and unresolved reject-water boundaries from appearing after equipment selection.<\/td>\n<\/tr>\n<tr>\n<td>Utilities and integration<\/td>\n<td>Electrical connected load in kW, control-panel supply, communications protocol and greenhouse-management-system interface.<\/td>\n<td>Allows utility capacity and controls integration to be compared before installation scope is fixed.<\/td>\n<\/tr>\n<tr>\n<td>Commissioning and lifecycle scope<\/td>\n<td>Commissioning tests, consumables, cleaning chemicals, service intervals, operator training and explicit exclusions.<\/td>\n<td>Makes the handover boundary visible rather than leaving maintenance obligations implied.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Aegis can support scope normalization and supplier coordination by preparing a common clarification matrix around these declarations. This is planning and procurement assistance; final equipment selection, hydraulic design and treatment performance remain subject to supplier engineering and verified site data.<\/p>\n<h2>What Belongs in the Initial Allowance and What Can Wait for Detailed Design?<\/h2>\n<p>Reserve early budget for items that protect the project layout and utility capacity if water risk proves material. Finalize equipment only after verified source-water results, peak irrigation flow and supplier hydraulic design are available. For the wider cost structure, see the <a href=\"\/resources\/commercial-greenhouse-project-budget\/\">commercial greenhouse project budget guide<\/a>.<\/p>\n<table>\n<thead>\n<tr>\n<th>Initial budget allowance<\/th>\n<th>Defer to detailed design<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Raw-water storage provision sized around 1\u20133 days of demand (Reference Baseline), including tank footprint and foundations.<\/td>\n<td>Final storage volume based on verified source continuity, daily irrigation demand and operating schedule.<\/td>\n<\/tr>\n<tr>\n<td>Space and connections for an 80\u2013130 micron filtration stage (Reference Baseline), plus access for maintenance.<\/td>\n<td>Final micron rating, vessel quantity and pressure-loss calculation matched to solids loading and emitter passage dimensions.<\/td>\n<\/tr>\n<tr>\n<td>Treatment-skid footprint, drainage falls and a service-access corridor for a 0.5\u20132.0 MPa class membrane option where relevant.<\/td>\n<td>Membrane configuration, exact media-vessel sizing, cleaning regime and concentrate volume after feed-water and hydraulic confirmation.<\/td>\n<\/tr>\n<tr>\n<td>Electrical capacity and controls allowance for pumps, EC\/pH automatic dosing-controller integration and treatment alarms.<\/td>\n<td>Final pump curves, motor kW, control-panel I\/O count and duty\/standby arrangement.<\/td>\n<\/tr>\n<tr>\n<td>Drainage route and containment space for backwash water or potential concentrate handling.<\/td>\n<td>Final backwash volume, reject-water routing and local discharge conditions confirmed by site and supplier review.<\/td>\n<\/tr>\n<tr>\n<td>Allowance for a UV sterilization connection point where recirculation hygiene may require it.<\/td>\n<td>UV dose, reactor size and validation of upstream solids control after detailed design.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>This boundary avoids two costly errors: omitting tank space, drainage or electrical capacity from the greenhouse layout, and prematurely fixing a treatment train before the 4 L\/h irrigation-zone duty, water report and final supplier design basis are confirmed.<\/p>\n<h2>A Practical Water-Risk Review Before Procurement<\/h2>\n<p>A pre-budget review organizes the water information available today into a documented scope basis, then identifies the design inputs still needed before a treatment supplier can finalize hydraulic duty, controls integration and drainage boundaries.<\/p>\n<ol>\n<li><strong>Collect the starting inputs:<\/strong> available source-water report or pending test status, proposed crop, greenhouse area, source reliability, preliminary daily irrigation demand, peak irrigation-flow estimate, recirculation intention, drainage constraints and target procurement date.<\/li>\n<li><strong>Review the project basis:<\/strong> compare the proposed crop programme with the available water information and record whether a 1\u20133 day raw-water storage provision is being held as a Reference Baseline.<\/li>\n<li><strong>Build an assumptions log:<\/strong> distinguish confirmed data from items requiring validation, including peak zone flow, emitter passage requirements and an 80\u2013130 micron filtration reference baseline.<\/li>\n<li><strong>Confirm hydraulic duty:<\/strong> align the preliminary pump, storage and treatment-space basis with the estimated peak irrigation flow rather than using greenhouse area alone.<\/li>\n<li><strong>Create a scope matrix:<\/strong> assign provisional responsibilities for raw-water storage, filtration, EC\/pH dosing-controller interfaces, backwash-water handling, drainage and commissioning.<\/li>\n<li><strong>Issue supplier clarifications:<\/strong> ask bidders to price against the same water basis and identify exclusions before offers are compared.<\/li>\n<li><strong>Validate during detailed design:<\/strong> update final equipment sizing after laboratory results, hydraulic calculations, supplier engineering and site drainage review are complete.<\/li>\n<\/ol>\n<p>Aegis can support a project water-risk and preliminary treatment-scope review using your available water information, crop plan and irrigation-demand estimate. Our role is consulting, planning, technology-selection support, supplier coordination and project-management assistance to help establish a clear scope basis before procurement.<\/p>\n<h2>Frequently Asked Questions About Greenhouse Water Treatment Budgeting<\/h2>\n<h3>Should treatment be included before the first project budget is approved?<\/h3>\n<p>Include an allowance when available or pending source-water information could change raw-water storage, filtration, drainage, controls or supplier boundaries. The allowance protects the budget from scope volatility; final equipment selection still requires verified water analysis and peak irrigation-flow design.<\/p>\n<h3>Which findings can materially change greenhouse treatment scope?<\/h3>\n<p>EC, bicarbonate alkalinity, sodium, iron, suspended solids and microbial exposure can each affect the required duty of an EC\/pH automatic dosing controller, filtration train, blending evaluation or sanitation interface. Their significance depends on the crop programme, source reliability, recirculation plan and confirmed hydraulic demand rather than one universal threshold.<\/p>\n<h3>How much raw-water storage should a commercial greenhouse allow for?<\/h3>\n<p>A preliminary allowance of 1\u20133 days of irrigation demand is a Reference Baseline where source continuity is uncertain. Final storage volume should be confirmed against daily demand, peak irrigation timing, refill rate and separate fire-water requirements where applicable.<\/p>\n<h3>When should reverse osmosis be evaluated for greenhouse irrigation water?<\/h3>\n<p>Reverse osmosis should be evaluated when dissolved salts or specific ions may restrict crop fit or leave insufficient nutrient-recipe headroom, and blending cannot provide a workable alternative. Its 0.5\u20132.0 MPa class high-pressure duty and concentrate-routing boundary require supplier confirmation from verified feed-water data.<\/p>\n<h3>Does water treatment affect fertigation cost and control?<\/h3>\n<p>Yes. Source-water chemistry can change acid demand, nutrient-recipe flexibility and the integration requirements of an EC\/pH automatic dosing controller. A 4 L\/h drip-emitter concept also requires solids control, but it does not set a final 80\u2013130 micron filtration specification; emitter passage dimensions and raw-water loading govern that decision.<\/p>\n<h3>What should suppliers include in a treatment scope?<\/h3>\n<p>Suppliers should declare the inlet-water basis, peak irrigation flow, storage volume, filtration duty, treatment duty, controls interface, electrical load, backwash-water demand, drainage or concentrate-routing assumptions, commissioning, consumables, service intervals and exclusions. Comparable offers need the same design basis, not simply similar equipment names.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A practical guide to deciding when&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-107","post","type-post","status-publish","format-standard","hentry","category-commercial-greenhouse-investment-planning-water-risk-allowances-fertigation-compatibility-and-supplier-scope"],"_links":{"self":[{"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/posts\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/comments?post=107"}],"version-history":[{"count":1,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/posts\/107\/revisions"}],"predecessor-version":[{"id":108,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/posts\/107\/revisions\/108"}],"wp:attachment":[{"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/media?parent=107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/categories?post=107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aegisgreenhouse.com\/index.php\/wp-json\/wp\/v2\/tags?post=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}