The IWS Flood System

The IWS Flood System

from £450.00

6 Pot IWS Flood System (requires 1 x 45 Litre Clay Pebbles)

£450.00
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12 Pot IWS Flood System (requires 2 x 45 Litre Clay Pebbles)

£530.00
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24 Pot IWS Flood System (requires 3 x 45 Litre Clay Pebbles)

£655.00
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36 Pot IWS Flood System (requires 4 x 45 Litre Clay Pebbles)

£775.00
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48 Pot IWS Flood System (requires 5 x 45 Litre Clay Pebbles)

£895.00
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Overview

Ready for giant yields and monstrous roots? Invest in a tried, tested, proven hydro system - the IWS Flood System.


It’s all about the roots. You flood plant pots with nutrient solution then quickly drain it away.


This gets oxygen to the roots, to fuel growth, inflate yields & drive nutrient uptake.


It's simple, but it works.  


Waste is low - drained feed is stored for recirculation


You'll find your system simple to set up and even easier to run – everything’s automated. It'll run quietly too, the pump's hardly ever on! 


Your layout’s flexibleexpand it & position pots however 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. 


✔ Giant, faster growing plants
✔ Staggering yields (better nutrient uptake)
✔ Extreme roots (oxygen rich root zone)
✔ Quiet – the pumps hardly ever on!
✔ Flexible layout – position pots how you want
✔ Simple to set up and program
✔ Maximise your grow room height: pots sit on the floor
✔ Expandable up to 48 pots!
✔ Low waste! Drained feed is stored for recirculation
✔ Easy to manage – all plants fed from one tank


What’s Flood & Drain?


It’s a tried and tested way of getting lots of oxygen to your roots!


Pots are filled with a growing media that doesn’t hold much water (such as clay pebbles).


Pots are then connected individually to a feed tank.


You periodically 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 in to the root zone
• Your media gets a hit of nutrient solution, which it slowly releases to roots


You’ll get:


Extreme root growth
• Supreme nutrient uptake (more oxygen + bigger roots)
Intense growth (more nutrients)
Giant yields


Choose your System


• 6 Aqua Pots; 100 litre tank (1.2m x 1.2m grow space needed)
• 2 Aqua Pots; 190 litre tank (2.4m x 1.2m grow space needed)
• 24 Aqua Pots; 190 litre tank (2.4m x 2.4m grow space needed)
• 36 Punch Pots; 350 litre tank (3.6m x 2.4m grow space needed)
• 48 Punch Pots; 350 litre tank (4.8m x 2.4m grow space needed)


If you need more than 48 pots, upgrade to an IWS Pro System. You’ll get a larger pump, and 25mm pipe, so all pots fill faster. This is to ensure you don't over-flood the first pots that fill.


The IWS Pro System is a special order item. To order one, start a live chat or visit your local store.


Choosing your nutrients


For best result, use it with SHOGUN Hydro Nutrients – the best base feed for hydro systems.


Choosing your growing media


Use clay pebbles as your growing media – they hold lots of air, but hardly any nutrients. They’re perfect for flood and drain.


Or


If you want to flood less often, mix 20 – 40% of coco with 60 – 80% of clay pebbles. The mix will hold more water, so you can flood less often. You can mix this yourself, or buy it pre-mixed.


To Prevent Root Blockages


Place RhizoPots 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. 



For more tips on optimising your system, read ’10 Golden Rules for Flood & Drain’. 


To learn how to troubleshoot your system and set it up, read 'Optimising the IWS Flood and Drain System'.


 


 

The Science

What’s flood and drain?


You fill your pots with a growing media (like clay pebbles) that:


• Doesn’t hold much water
• Holds a lot of air


Pots are then connected to a feed tank.


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.



The Tech

The Flood Cycle


All plant pots are connected to a brain pot. Your brain pot is connected to your nutrient reservoir


When it’s time for a new cycle to start, nutrient solution is pumped from the reservoir to the brain pot.


It then passes from the brain pot to all connected pots.


When all other pots have filled, your brain pot will also fill. This triggers a floating switch in the brain pot.


The nutrient solution sits in pots until the flood duration expires.


At this point, the nutrient solution is drained out of the pots.


When this happens, oxygen is drawn into the root zone. The nutrient solution returns back to the brain pot, then and back to the nutrient reservoir, ready for the next flood cycle.

Kit Contains

Details

Each system includes the following items:

•  Nutrient reservoir
•  Inner and outter pots
•  5 degree slope stands 
•  A pump
•  Flexi-Pipe (1 metre for each pot)
•  All irrigation fittings
•  Full assembly instructions

Available kits:

• 6 Aqua Pots; 100 litre tank (1.2m x 1.2m grow space needed)
• 2 Aqua Pots; 190 litre tank (2.4m x 1.2m grow space needed)
• 24 Aqua Pots; 190 litre tank (2.4m x 2.4m grow space needed)
• 36 Punch Pots; 350 litre tank (3.6m x 2.4m grow space needed)
• 48 Punch Pots; 350 litre tank (4.8m x 2.4m grow space needed)

How to Use

Assembling your system


It’s easy to assemble your IWS Flood System. For full instructions, watch this video.


Setting your flood cycle


You need to think about your flood height, flood duration and flood frequency.


Flood Heights


The maximum flood height should be no higher than that of your growing media.


The trick is to work out how what your maximum flood height is in each pot (they might all be different if you have an uneven floor), then top up your growing media to match!


• Once your system’s set up, add your root control disk, and washed clay pebbles
• Fill ¾ of each pot with growing media
• Fill your water tank with your nutrient solution (2CF higher than during propagation)
• Set your timer to minutes and turn it to the longest possible flood time
• Your brain will then start filling your pots
• If water rises past the height of your media, add more media
• To check the growing media isn’t floating up, press it gently with your hand
• Pre-soak for 30mins – 1hr, then drain


Flood Frequency


Your flood frequency is determined by a lot of factors, including:


• The growing media
• Your plant sizes
• The climate
• Water demand


Just remember that your plants will probably be growing in a higher heat and lower humidity than they were when propagating, so will likely have a greater water demand.


Also, if you’re using clay pebbles, you will need to flood more frequently than if you’re using a clay pebble and coco mix.


Flood Duration


• After draining, it’s time to set your flood duration
• If the pH or nutrient strength is off, adjust your nutrient solution
• Start the flood cycle again, to see how long it takes for the max flood height to be reached
• Add 1 – 2 minutes to this time if using clay pebbles (unless you mix it with coco)
• Never hold your flood cycle for longer than 10 minutes


To view our top tips, read 10 Golden Rules for Flood & Drain

Q & A

Questions and Answers (12)

Is it OK to use the 6 pot IWS system with a 1m x 1m tent?
The smallest tent we would recommend ofr the 6 pot IWS Flood System is the XL Budbox, which measures 1.2 x 1.2m. You will need to have ther reservoir outside the tent for best results.

Written by Keith | 4 Jul 2014

Hi, is there a grow tent which can accommodate an IWS 48 pot system?
We would recommend using 2 x Titan 2 Budbox tents for the 48 pot IWS flood system, 24 plants in each tent.

Written by Duncan | 11 Jul 2013

What size iws systems would I fit in a, 1.2 x 1.2 tent, and a 1.2 x 2.4 tent? I would like to purchase one for each but need to be sure of what I can fit in each of them.
You can get the 6 pot IWS Flood system in an XL Budbox (1.2 x 1.2), & you will get a 12 pot into an XXL Budbox (2.4 x 1.2). You will need to have the reservoir outside the tent.

Written by JC | 11 Feb 2013


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