Bluelab Replacement pH Probe Water Tanks & Treatment Attach a carbon filter to

Attach a carbon filter to the unit to remove odours

It's a high pressure sodium bulb made of clear and top-quality material and delivers high output levels

The products are suitable for use in coco growing substrates

Achieve exceptional harvest yields and strong blooming with GHE's Urtica

Bluelab Replacement pH Probe Water Tanks & Treatment Attach a carbon filter toOverview The replacement pH probe for Bluelab Combo, pH meters and Guardian Monitors is a premium system spare made by Bluelab. Benefits Easy to clean Gel filled (non refillable), low maintenance Double junction Waterproof cable joint Probe holder included keeps probe secure Quality BNC connection 2 meter 6. 56 foot standard cable