Who Gives A Fish Forums

what's the glass or the water, right? sometimes it's so clear i'm not even sure what i'm looking at lol... floriks said cutting through with a saw, but i'd say if you need chuck norris to break through, that's when you know your water's hard

I keep reading that GH should be above 7 and KH above 10, but what's the deal when both are around 18?

I'm in a super hard water area - my kettle's basically a chalk factory. I'm worried this water might be too harsh for Mbuna.

I've got the salts and all to recreate the right water composition ...

can water be too hard for Mbuna? i'm in a hard water area and my kettle's got a serious chalk build-up - is this water too harsh for them? i've got the salts to simulate their natural water composition but using tap water seems like a gamble, or should i just add a hint of trace elements to it?