Other for Aquariums SuperFish

Cleaning

If you've already invested in a SuperFish pH pen then this pH Calibration Liquid is a must to ensure you're getting the right readings. Over time, pH pens will veer off their supposed readings and this is the time to use the SuperFish pH Calibration Liquid - it ensures the absolute correct reading on your pen so you know you're getting right readings in your fish tank.

Accurate PH meter for aquarium and pond water.. Measuring PH from 0-14 with a precision up to 0.02 units.. The pen has an automatic calibration for both 1 point and 2 point calibration. Manual and calibration powders are included.