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6 Inch Carbon Filter Odor Control Grow Tents Air Filtration and Hydroponics

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Calcium hypochlorite 65% how much per litres to replace ucroots

Just need to know how much hth pool shock Calcium hypochlorite 65% per gallon to replace uc roots i can only find math for the 45% calcium hypochlorite and im horrible with conversions can anyone help me out, been using ucroots successfully but its super expensive eccpecially when I use 500ml every rez change


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