hello, i have two aqua clear(60) protien skimmers on my 29g tank. over the past 2 weeks or so it seems as if they are not skimming anymore. still have bubbles spinning around in the tube, it just doesnt seem that they are sticking together like they use to. nothing has really changed except i added a phosban reactor 1/3 phosphate remover and 2/3 carbon but that was just a few dyas ago so.... I dont know. thanks for any help on this topic
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