I have had poor results with plants, so starting afresh. Substrat? depth of gravei. Fullers earth or commonly known as non clumping clay cat litter?. Garden soil, growbag compast?
In one of donna's articles u stated the good plant bacteria is in the top 1/2 3/4 in of gravel . So why do the plant roots go along the bottom?. If the very bottom of a tank is oxygen straved then the nitrate beavteria should be down there?.
cheers phil
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