Bluelab Replacement pH Probe Growing Media (4) 6' chemical suction tube

(4) 6' chemical suction tube with strainer

Do the touch test:

Patent-pending gearing system reduces jams and downtime

All conductivity scales included – EC

The dry Eazy Plug takes water back up very easily and quickly

Bluelab Replacement pH Probe Growing Media (4) 6' chemical suction tubeProduct Features Benefits The Blue lab pH Probe is a replacement pH probe suitable for use with Blue lab products that test the pH value of a solution. Unfortunately pH Probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life. The Blue lab pH Probe has a Double Junction Reference which provides a longer life than many other