have nft.canna aqua vega 1.2 cf, ph 5.8, tap water ( been tested ok ). about a week after being put in the tank the roots under rockwool block turn a sort of translucent brown and are weak, but do not go mushy, roots outside of block are white but eventually go the same. plants still take up water, but growth is very slow. stem go's purple and older leaves, then others yellow suggesting slow,or no neut up take. everything is always sterilised and rinsed, but this has happened 3 times in a row. please refer to before and after pic. can anyone PLEASE help.
beani1 Reviewed by beani1 on . brown roots? but not root rot!!! have nft.canna aqua vega 1.2 cf, ph 5.8, tap water ( been tested ok ). about a week after being put in the tank the roots under rockwool block turn a sort of translucent brown and are weak, but do not go mushy, roots outside of block are white but eventually go the same. plants still take up water, but growth is very slow. stem go's purple and older leaves, then others yellow suggesting slow,or no neut up take. everything is always sterilised and rinsed, but this has happened 3 times in a row. Rating: 5