Oakton pH 4.01 Buffer Solution, 500 ml Terp Derp is the key to breaking

is the key to breaking down the hydrophobic layer and to the feeding of the earthworm castings

The chelated micronutrients guarantee optimum availability over a wide pH range

Includes raised platform insert and capillary matting allowing plants to self water for up to 14 days (subject to climate conditions)

concentrated liquid elixir

This part number is for a replacement electrode only

Oakton pH 4.01 Buffer Solution, 500 ml Terp Derp is the key to breakingOakton buffers for meters with 0. 01 resolution are standardized against NIST certified pH references within 0. 01 pH at 77F (25C). Store buffers away from direct sunlight.