<a href=showthread.php?s=&postid=14594242#post14594242 target=_blank>Originally posted</a> by wtac
Is your NSW source RO/DI or tap water treated w/a "gel"/aloe slime replacement dechorinator?
If the latter, dechlors like Hagen AquaPlus, BA's Tap Water Conditioner, API Stress Coat will make the skimmer foam like craaaazy.