Eco pH+ Tester Pen by Trans Instruments Tabs/Packs 5' 1/2"-1" 20' TP-950 70W

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

completely eliminating them in a week or less

This 25' Quick Connect extension cord has 5 female plugs at 5' intervals

5" — FSM365-1/2

2-4 times daily based on Koi activity

Eco pH+ Tester Pen by Trans Instruments Tabs/Packs 5' 1/2"-1" 20' TP-950 70WRequires 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