Eco pH+ Tester Pen by Trans Instruments Tabs/Packs 2-4 times daily based on

2-4 times daily based on Koi activity

producing a versatile water feature for both residential and commercial use

5' 1/2"-1" 20' TP-950 70W 1005gph 10

pH Lower is also a relatively safe product when compared to other pH stabilizers

Eco pH+ Tester Pen by Trans Instruments Tabs/Packs 2-4 times daily based onRequires calibration solution, which is sold separately The Eco Series pH+ Tester Pen gives fast, accurate, and easy to read pH readings. No more need for test strips or color test kits! This convenient test pen makes it easy to do frequent testing for accurate, safe pH control. Controlling pH effectively helps balance water chemistry, enhance fish coloration, promote spawning and control CO2 levels. Includes protective case and (4) 1. 5V button cell