i dont know what type i have so i tried the cap with a hole but still very loud so harvey at MA suggestted using a air valve to get the correct intake so i might try that when i can get to a store.
anyway i attched pictures of what i have inside and out of tank on top of stand. under it goes straight down to below water level.
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Can't is the cancer of happen - charlie sheen
20g reef 25g sump, DIY led form modular led, 2 false percs
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