I would also vote for the buying one good skimmer. I am not sure what skimmer you use now, but i switched from an asm g3 to my current bubbleking and i would not want to have to clean 2 of the cups one is bad enough. The best bet is to look around and look at peoples skimmers and get reviews. You don't really see anyone running two skimmers it is cost related or what. I agree with Brett and I think i have read two will act against each other. If your moving into the higher end of skimmers and buying 2 it can get real costly even if there smaller. I have used my bk for 3 years and have never had a non human/ snail caused issue.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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