snails and hermit crabs

[paul wh]

at what point should i look to introduce some snails or hermit crabs my ammonium is 0.5 my nitrite is 0.2 and my nitrate is 1
the s/p is 1.025
temp 25.5

[Reefing Madness]

I don't much like to add anything to a cycling tank, including your CUC. I'd wait until your Ammonia and Nitrites are 0.

[paul wh]

no worries the way the stats at dropping sould be nil by thursday but im away till sunday anyway