pH Test Probe
A rapid, precise method of testing soil acidity/alkalinity, with no batteries required! Simply follow the easy directions that come with this 8" long probe and adjust/retest soil pH as many times as you want. Perfect for conducting experiments on the effects of pH on plant growth using different soil and moisture conditions.
Receive 10% off when ordering 10 or more of this item. Upon checkout, discounts for all items are added together and collectively subtracted from the total.