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My Nitrates are about 10ppm I'm looking for a way to drop that down a little more. My display tank is 120Gal and with sump and fuge the system totals around 200Gal.
Can anyone guess if the following would work. 2 or 3, 3" diam 3' long tubes w/ 75ft of 1/4 OD tubing each. My sump is in the basement so I should be able to gravity feed them. Lastly do they have to be mounted vertically or can I lay them on there sides?
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