Go too big in a standard IWS Flood System, and it’ll take too long to flood all pots. By the time the final pot has filled, the first pot that filled may be over-flooded.
You can end up over-saturating root zones, and getting uneven growth.
If you’re growing more than 12 – 18 plants, consider upgrading to an IWS Pro System. You’ll get a larger pump, and 25mm pipes, so all pots are faster to fill.
This will reduce the risk of root blockages, too!
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