What are you adding to your tank?

[daniella3d]

I guess your zoanthids must be really happy because they react strongly to any sudden change in alkalinity...a very slow drop won't affect them as a suddent increase.

But what about that clam? I guess it does not have much calcium to grow its shell...

Originally Posted by Mike-fish

i dose nothing and virtually never do water changes on my cube 29G bc (drip lines for new stock top up) have 2 lps 1 geneopora 1 4" clam and tonnes of zoas.