Whether anyone hosts or not . Isn’t guaranteed .
it can take
Months to years or possibly never and have clowns hosting a hammer coral 6” away from the anemone we would expect them to host .
Even keeping corals . Pick up some decent test kits .
api are ok for the time being but notorious for being inaccurate .
Salifert are decent for cal , mag , alk , phosphate and nitrate .
I have recently upgraded to Hanna checkers for alk , phosphorus , salinity ,
Rodi system makes water changes a lit cheaper in the long run .