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BlueLab Soil pH Probe

Handy for direct pH testing of soils or pH soil solutions. The non-refillable Bluelab Soil pH Probe..


Bluelab Soil pH Replacement Probe

If you need to measure the pH level of soil, media or substrates, then the..


BlueLab Truncheon Meter

It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is..