I just installed a BM Curve 7 on my 75g and I have to say I really like it... I had a RS100 which I bought but didn't fit my sump unfortunately, and so far so good.
Its pretty quiet which is nice especially when comparing it to the noise coming from my external return pump(this is the next thing to change)... So far it looks like its really fussy to water depth and even the ato pumping water for 5-10sec seems to have an effect which tends to be a little annoying, however hope this gets better with time.
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Casual reefer
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