General Hydroponics pH Test Kit 1 Ounce
$10.26
General Hydroponics pH Test Kit 1 Ounce
is backordered and will ship as soon as it is back in stock.
General Hydroponics pH Test Kit 1oz
Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial.
Many experienced growers prefer our pH Test Kit to expensive electronic meters because it is reliable and easy of use.
