Yea have the same thing ... even changed to a tunze 9002 skimmer .. didnt make much difference .. in fact its probably worse then what i had with the RS skimmer. I think it all has to do with flow and water level ... you notice the 130 has the return powerheads up high .... I have a biocube that puts the return pump in the bottom of the chamber and never have any microbubbles. I get bubbles with or without my skimmer on. Its not a whiteout ..... but its enough to anoy me. My next thing to try before i sell it ... is a sump in the cabinet and run everthing (skimmer, reactors) in there. and see that works.
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