I have a 21 gallon tank, and a 10 gallon sump. I am trying to use a WS-1 aqua max protein skimmer, when I start it up the upper chamber fills with bubbles and immediately fills the cup with water. Am I doing this correctly? The chamber is raised as far as it can go. I am fighting the start up brown algae. I have chaeto in my sump as well as 5 hermits, 2 nacarius, and 2 turbos. Any ideas would be appreciated, added- tank specs, salinity 1.025, ammonia 0, nitrite0, nitrate 20 ppm


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