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Standard value of 400 +/- 20 ppm calcium @ 25°C
It is impossible to maintain calcium and alkalinity at the proper levels without also maintaining magnesium
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Jebao Dp-4 Dosing Pump (4-Channel) glass cleaning Standard value of 400 +/-(The DS 4 has a thinner tubing than previous modelsperforms a more precise dosage) The Jebao DS 4 is an affordable dosing pump with 4 dosing heads. You can program each pump to come on up to 24 times a day and dispense a precise amount of liquids, which allows a user to keep their tank parameters stable and removes the need for manually adding supplements daily. The controller is advanced but easy to use! Each pump can be programmed individually. The
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