why are the rocks not totally white, there seems to be coralline
were these rocks wet in the pet store or dry
number of posts I can find where a tester says there's free ammonia where there isn't: a google
both the number and the verb align here he he
a non digital test kit's ammonia reading, any brand, isn't the final say or even much of a reference here. seneye would be, working and calibrated.
but the nitrate happens to be
and coralline if so
and being already live when the rock showed up or not