IWS Flood and Drain 16mm (13mm) Systems
What’s flood and drain?
It’s a tried and tested way of getting lots of oxygen to your roots !
You fill your pots with a growing media (like clay pebbles) that holds a lot of air, but not much water.
Periodically, you flood pots with a nutrient solution, then quickly drain it away.
With each flood:
• Stale air is pushed away from roots • Fresh, oxygen rich air is drawn into the root zone • Your media gets a hit of nutrient solution, which it slowly releases to roots
Why does flood and drain work?
It’s all about supplying your roots with lots of oxygen.
Oxygen in the root zone:
• Stimulates root growth • Increases nutrient uptake • Helps prevent root diseases , such as Pythium • Increase cell growth/activity • Stop water from stagnating
Without enough oxygen
• You’ll likely experience: • Mineral deficiencies • Poor growth • A decrease in water and nutrient absorption • Underdeveloped roots
With an IWS Flood System, your plants will always get the oxygen they need.
More information can be found here:
product
http://www.growell.co.uk/the-iws-flood-system.html
3740
IWS Flood and Drain 16mm (13mm) Systems
http://www.growell.co.uk/media/catalog/product/f/l/flood-_-drain-6-pot-13mm-pipe_fixed-timer_web.jpg
399.95
399.95
GBP
InStock
/Growing Systems
/Growing Systems/Active Hydroponics Growing Systems
/Nutriculture
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display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;"><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 58.3333%; margin: 0px; padding: 10px; align-self: stretch;"><div data-content-type="text" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;"><h2 class="bluefoot-entity tab_header">Overview</h2>
<div class="bluefoot-textarea bluefoot-entity bf-content-box">
<p>Ready for <strong>giant yields</strong> in a system that’s <strong>easy to manage</strong> with a <strong>flexible layout</strong>? Invest in the <strong>tried, tested, proven</strong> 16mm IWS Flood & Drain System.</p>
</div>
<div class="bluefoot-textarea bluefoot-entity bf-content-box">
<p>How's it work? It’s <strong>all about getting oxygen to the roots.</strong> </p>
<p>When feeding, plant pots are flooded with feed. When feeding ends, pots are quickly drained of feed. This locks <strong>oxygen in the rootzone</strong>, to<strong> drive nutrient uptake, fuel growth </strong>&<strong> prevent nasty root diseases.</strong></p>
<p>It's simple, <em>but it works</em>. </p>
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<div class="bluefoot-textarea bluefoot-entity bf-content-box">
<ul>
<li>Flood & drain growing system</li>
<li><strong>13mm inner diameter</strong> pipes (16mm outer diameter)</li>
<li><strong>Handy fixed timer</strong> (1 minute segments)</li>
<li><strong>Flexible, modular</strong> layout – position pots how you want</li>
<li><strong>Easy to manage</strong> – pots are filled from a 1 tank</li>
<li><strong>Quiet</strong> – the pumps hardly ever on!</li>
<li><strong>Saves headroom</strong> - pots sit on the floor</li>
<li><strong>Low waste</strong>! Drained feed is stored for recirculation</li>
<li><strong>Extreme oxygen</strong> – better roots, growth, nutrient uptake</li>
<li><strong>Simple to set up</strong> and program</li>
</ul>
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<div class="bluefoot-textarea bluefoot-entity bf-content-box">
<p><strong>Waste is low - </strong>drained feed is stored between floods<strong>. </strong>It'll <strong>run quietly</strong> too, the pump's hardly ever on! </p>
<p>It’s <strong>easy to fine tune</strong> your flood times– you get a<strong> fixed timer</strong> (1 minute segments). </p>
<p>Your <strong>layout’s flexible</strong>…<strong>expand it </strong>&<strong> position pots however</strong> you want – all pots are connected to a central feed tank individually or in groups. Pots sit on the floor too, height's hardly an issue. </p>
<p> </p>
</div></div></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 41.6667%; margin: 0px; padding: 10px; align-self: stretch;"><div data-content-type="text" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;"><h3 class="bluefoot-entity">See It In Action</h3></div><div data-content-type="html" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;"><div class="iframe-embed-wrapper-blog iframe-embed-responsive-16by9">
<iframe class="iframe-embed" src="https://www.youtube.com/embed/e0E-MV14zWc?rel=0"></iframe>
</div></div></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 100%; margin: 0px; padding: 10px; align-self: stretch;"><div data-content-type="text" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;"><h2 class="bluefoot-entity">Top Tips</h2>
<div class="bluefoot-textarea bluefoot-entity bf-content-box">
<p><strong>1. Choosing your media</strong></p>
<p>Use <a href="https://www.growell.co.uk/clay-pebbles.html" target="_blank" rel="noopener">clay pebbles</a> – they hold <strong>lots of air</strong>, but hardly any nutrients. They’re <strong>perfect for flood and drain</strong>.</p>
<p><em>Or</em></p>
<p>To flood less often, mix <strong>20 – 40% of coco</strong> with <strong>60 – 80% of clay pebbles</strong>. The mix will hold more water, so you can<strong> flood less often</strong>. You can mix this yourself, or <a href="https://www.growell.co.uk/gold-label-hydrococo-60-40-mix.html" target="_blank" rel="noopener">buy it pre-mixed</a>.</p>
<p><strong>2. Keeping a sterile system</strong></p>
<p>Keep your system sterile with <a href="https://www.growell.co.uk/pest-control-plant-health/disease-control/silver-bullet-roots.html" target="_blank" rel="noopener">Silver Bullet Roots</a>. It kills 99.99% of root diseases and stays active in tanks for 5 weeks!</p>
<p>If you already use Oxy-Plus 11.9%, switch to Silver Bullet and you’ll save 55%.</p>
</div></div></div></div></div></div><div data-content-type="row" data-appearance="contained" data-element="main"><div data-enable-parallax="0" data-parallax-speed="0.5" data-background-images="{}" data-video-fallback-src="" data-element="inner" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;"><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 100%; margin: 0px; padding: 10px; align-self: stretch;"><h2 data-content-type="heading" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px;">Layout Guides</h2></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_6Pot_minimum.jpg}}" alt="6 Pot Minimum Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_6Pot_minimum_1.jpg}}" alt="6 Pot Minimum Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_6Pot_recommended.jpg}}" alt="6 Pot Recommended Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_6Pot_recommended_1.jpg}}" alt="6 Pot Recommended Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_12Pot_minimum_new.jpg}}" alt="12 Pot Minimum Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_12Pot_minimum_new_1.jpg}}" alt="12 Pot Minimum Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_12Pot_recommended.jpg}}" alt="12 Pot Recommended Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_12Pot_recommended_1.jpg}}" alt="12 Pot Recommended Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_18Pot_minimum_new.jpg}}" alt="18 Pot Minimum Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_18Pot_minimum_new_1.jpg}}" alt="18 Pot Minimum Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_18Pot_recommended.jpg}}" alt="18 Pot Recommended Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_18Pot_recommended_1.jpg}}" alt="18 Pot Recommended Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_24Pot_minimum_new.jpg}}" alt="24 Pot Minimum Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_24Pot_minimum_new_1.jpg}}" alt="24 Pot Minimum Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_24Pot_recommended_1.jpg}}" alt="24 Pot Recommended Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_24Pot_recommended.jpg}}" alt="24 Pot Recommended Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div></div><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_36Pot_minimum.jpg}}" alt="36 Pot Minimum Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_36Pot_minimum_1.jpg}}" alt="36 Pot Minimum Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><figure data-content-type="image" data-appearance="full-width" data-element="main" style="margin: 0px; padding: 0px; border-style: none;"><img class="pagebuilder-mobile-hidden" src="{{media url=wysiwyg/25mm-Layout_36Pot_recommended_new.jpg}}" alt="36 Pot Recommended Area" title="" data-element="desktop_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"><img class="pagebuilder-mobile-only" src="{{media url=wysiwyg/25mm-Layout_36Pot_recommended_new_1.jpg}}" alt="36 Pot Recommended Area" title="" data-element="mobile_image" style="border-style: none; border-width: 1px; border-radius: 0px; max-width: 100%; height: auto;"></figure></div></div></div></div><div data-content-type="row" data-appearance="contained" data-element="main"><div data-enable-parallax="0" data-parallax-speed="0.5" data-background-images="{}" data-video-fallback-src="" data-element="inner" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;"><div class="pagebuilder-column-group" style="display: flex;" data-content-type="column-group" data-grid-size="12" data-element="main"><div class="pagebuilder-column" data-content-type="column" data-appearance="full-height" data-background-images="{}" data-element="main" style="justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; width: 50%; margin: 0px; padding: 10px; align-self: stretch;"><h2 data-content-type="heading" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px;">How To Use</h2><div data-content-type="text" data-appearance="default" data-element="main" style="border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;"><h3 class="bluefoot-entity">Assembling Your System</h3>
<div class="bluefoot-textarea bluefoot-entity">
<p>It’s easy to assemble your IWS Flood System. Watch this video to see how.</p>
</div>
<h3 class="bluefoot-entity">Choose Your Nutrients</h3>
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<p>For <strong>best result,</strong> use it with <a href="https://www.growell.co.uk/shogun-samurai-hydroponics-nutrient.html" target="_blank" rel="noopener"><strong>SHOGUN Hydro Nutrients</strong></a> – the <strong>best base feed for hydro</strong> systems. </p>
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<h3 class="bluefoot-entity">Choose Your Growing Media</h3>
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<p>Use <a href="https://www.growell.co.uk/clay-pebbles.html" target="_blank" rel="noopener"><strong>clay pebbles</strong></a> as your growing media – they hold <strong>lots of air</strong>, but hardly any nutrients. They’re <strong>perfect for flood and drain</strong>.</p>
<p><em>Or</em></p>
<p>If you want to flood less often, mix <strong>20 – 40% of coco</strong> with <strong>60 – 80% of clay pebbles</strong>. The mix will hold more water, so you can<strong> flood less often</strong>. You can mix this yourself, or <strong><a href="https://www.growell.co.uk/gold-label-hydrococo-60-40-mix.html" target="_blank" rel="noopener">buy it pre-mixed</a></strong>.</p>
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<h3 class="bluefoot-entity">Prevent Root Blockages</h3>
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<p>Place <a href="https://www.growell.co.uk/rhizopots.html" target="_blank" rel="noopener"><strong>RhizoPots</strong> </a>on the inside each pot to prevent root blockages. They naturally air prune roots, so they won't grow into your feed pipe and cause blockages. </p>
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<p><strong>Feed Time Guide for 60/40</strong></p>
<ul>
<li><strong>Start:</strong> 2 x 15 minutes feeds per day</li>
<li><strong>Veg:</strong> 3 x 15 minute feeds per day</li>
<li><strong>Flowering:</strong> 4 - 5 x 15 minutes feeds per day</li>
</ul>
<p><strong>Feed Time Guide for pebbles:</strong></p>
<ul>
<li><strong>Start:</strong> 2 x 15 minutes feeds per day</li>
<li><strong>Veg:</strong> 3 - 4 x 15 minute feeds per day</li>
<li><strong>Flowering: </strong>4 - 6 x 15 minutes feeds per day</li>
</ul>
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Active Hydroponics Growing Systems
https://www.growell.co.uk/growing-systems/hydroponics-growing-systems.html
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