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Extraction Fan & Carbon Filter Ducting Kit Odour Hydroponics Grow Tents Smell

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2 questions about seedlings

So I've never done hydro and my neighbor is starting his first seedlings in rockwool, just 2 very quick questions, 1: how deep in the rockwool should the seed be sown? These are the round rockwool pods that open up from the side it's not a hole that goes down. 2: how high should the water in the tray be? Should it come right up to the seed or just enough to soak the rockwool? Any help would be appreciated.


February 05, 2020 at 10:42PM

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