In Line UV Sterilization Units

Twistycricket

Twistycricket

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Mar 30, 2016
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I am about to install an in line uv sterilization unit on my 120g tank to solve a bacteria problem that I have been having in my tank. I plan on running it on the lowest setting for parasites. This means I must divert 2/3 of my water flow around the UV sterilization unit. Is this a problem? My system is drilled to only turn the tank over 5 times an hour and can't be drilled any bigger to maintain the structural integrity of the tank. As a result I am also running an aquaclear 110 HOB. My question is should I be running another UV unit on the line that diverts excess Gph around the uv unit? I could run a second unit on a higher nonparasidic setting that will still kill the bacteria. The redox potential of my water is extremely high and is letting columarius breed out of control despite pristine water. I bleached one tank and 3 days later it was filled with winter wonderland columarius in that same tank.
 
Does anyone have an answer for, advice, or any experience with my question? I am about to buy the equipment tomorrow if possible as I am going broke battling columarius playing hopscotch in my tanks. Thanks.
 
You only need one appropriately sized uv sterilizer. Do not buy a cheap one if you want it to actually sterilize. Try to get an Aqua uv or emperor aquatics uv. Alternatively tetra and Cora life turbo twists work well, but both have ballast issues and are more expensive to maintain. Keep in mind the bulb has to be replaced every 9-12 months.

As for the flow if you are using a sump it's very common to run a small closed loop with a low flow pump that feeds back into the sump. If you want to use the return pump you have now and it flows too much you wan run a diverted valve from the pond section of a hardware store and divert some flow just use an over the tank spraybar or duckbill for the uv return.
 
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