i think i have a case of stinging hydroid's all around a zoo colony. is this the reason they stopped opening..and a few started to get discolored? WHAT to do???
yea but it's not the big 'droids...it's those tiny tiny one's that seem to choke out the zooas.... i fresh dipped and scrubbed with a toothbrush..it's been 2days and still none are opening.