Oakton Replacement Sensor for pHTestr 10/20/30 food-&-water-storage Best in Class Performance

Best in Class Performance

Kelp (Ascophyllum nodosum)

This design allows roots reaching towards the container wall to locate the air holes immediately

it is particularly effective when blended with Roots Organics Uprising Grow for a plant’s vegetative growth phase and with Roots Organics Uprising Bloom for the bloom phase

and wire hangers

Oakton Replacement Sensor for pHTestr 10/20/30 food-&-water-storage Best in Class PerformanceExpand the lifetime of your Oakton pH tester by keeping these replacement sensors on hand. These pH testers work with Oakton's line of 10, 20, and 30 series pHTestrs (OK3563410, OK3563420, and OK3563430).