Aqua Medic pH Calibration Fluid 60mL Style:pH 7 Starts and maintains intense biological

Starts and maintains intense biological activity remove toxic ammonia

or any of the other headaches of starting a new filter

they help simulate sunlight

non-toxic form that is readily removed by the tank’s biofilter

FEATURES Amphibious – Dry or Wet Mount Motor with Overheat Protection Wear-resistant Ceramic Shaft Silent

Aqua Medic pH Calibration Fluid 60mL Style:pH 7 Starts and maintains intense biologicalThe accuracy of all electrodes is dependent upon their calibration. To ensure accurate readings, all electrodes need to be calibrated at regular intervals. To ensure that the fluid values used to calibrate the electrodes remain constant, regular replacement of these fluids should occur. The pH calibration fluids come in 3 variations pH 4 pH 7 pH 9