I have a few old zoos along with 9 frags from yourreef & all my zoos are not fully opening. I have 4x24w t5s on a 16 " H tank & have recently noticed my alk has been running 12-13 dkh. any ideas?? In don't see any nudis, snails,spiders...etc. Can the higher than normal alk be the cause?
Ron
Ron
