Join Date: Oct 2013
Location: Onatrio, Canada
Its not caused by O2 or CO2. I get the same thing on my surface when I do my Mono Potassium Phosphate (KH2PO4) dosing so I am thinking its related to the phosphates. I am getting a filter-attached surface skimmer to help with the issue.
Last edited by laconic; 10-17-2014 at 01:23 PM.
Reason: additional info