Themuleous
Member
I just LOVE tanks with plants coming out the top, they always look so adventerous and make me want to be a fish underneath exploring 🙂
Sam
Sam
I feel embarrassed to have totally missed this and not commented.Morgan Freeman said:
Not exactly, they are both symptoms of "old water" syndrome. I don't under-stand where the "no water changes for low tech. tanks has come from", even if you use tap water I don't believe in the "fluctuating CO2" argument either.and I fear it's due to rapidly dropping Ph, Could this be the cause?
Morgan Freeman said:In that case I don't understand how the Walstad system works.
hinch said:it also helps to restore other minerals lost from the water as its been used over time I think iron is the obvious one that comes to mind but i'm sure there's others