| | nonindicating controller choose 316 stainless steel for fresh water or titanium for ... protector i so keep a replacement [pt-i for straight heaters pli for l style on ... heated you can use an electric heater for all or just a portion of your heating ... for instance you may use solar waste heat ... pumps etc will further cool the water for every 9°f 5°c difference there should ... as much as 12 w per gallon per 9°f for small glass aquariums use 8 w per ... temperature will be considerations for every 1,000 gallons 3,800 liters 1,200 ... heater sizing quick heater sizing guide for non-flow-through calculation it s ... to be 87°f if 4 w per gallon are needed for every 9°f then dt 27° 27 ÷ 9 3 3 x 4 ... use that temperature on the chart for more accurate sizing contact our ...
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