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  1. J

    Margin of error on test kits for water quality?

    Years ago (OK, so maybe it was decades -- I am getting old!) I was told by a respected biology professor that the margin of error in consumer test kits for aquariums was significant enough as to make them invalid tools. So, my question is this: Are there any true scholars, biologists, etc out...
  2. J

    Fluval 404 Sucks (air!)

    ' anybody else have a problem with this model filter sucking air. Mine has done so from day one and spits out a burst of micro bubbles every few minutes. I tried lubricating the o ring with vasoline and this has reduced but not eliminated the problem. -- any thoughts? thanks - jd
  3. J

    Fluval 404 sucks (air) ????

    Howdy All - My Fluval 404 continues to suck air into the canister, it has done this from day 1. This causes the filter to eject a burst of micro-bubbles every few minutes. I tried lubricating the o-ring with vaseline and this seems to have helped but I cannot eliminate the problem. ' anybody...
  4. J

    Water Clarity - very fine particles ?

    Greetings - I added app 130lbs of lr to my new 120 gal tank about 5 days ago. I am running 2 Backpack skimmers and a Fluval 404 canister. I am also running 2 small powerheads to circulate water. My problem that my water clarity is pretty good however there is a constant "haze." When I look...
  5. J

    Advice on propsed live rock quantity ?

    Hello All- I am getting ready to place an order and want to see if this sounds reasonable. I am starting a 120 gal tank. (60"longx18"widex26"high). I am planning 45lbs Fiji, 45lbs Tonga, and 45lbs "base" rock. I am planning to purchase from Premium Aquatics - I had a good experience with them a...
  6. J

    Getting undesirable critters off new live rock

    Hello All - I am planning to put about 100lbs of "cured" live rock into a 120 gal new tank in a week or so. ' any thoughts on how to best remove mantis shrimp or other potential troublemakers? I am planning on a hypersaline dip for minute or so -- does this work? Any tips? ' any suggetsed...
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