Soil Testers

TNB Naturals pH Down TNB Naturals Up and Down is composed of all-natural ingredients with the addition of no harmful chemicals. This innovative way...

TNB Naturals pH Up TNB Naturals Up and Down is composed of all-natural ingredients with the addition of no harmful chemicals. This innovative way t...

Bluelab Soil pH Probe   Handy for direct pH testing of soils or pH soil solutions. The non-refillable Bluelab Soil pH Probe is used to measure the ...