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#8
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![]() Your more than likely at about 90 gal of water volume
I would say after 4 weeks your good to add more ..... But if your Nitrates are Undectsble why do you feel you need to add more?
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250G DD LED SPS R.I.P. 180G LED SPS 80"x36". 300G custom build Owner of Mountain Ridge Heating and Gas Class A gas fitter, HVAC |