Category Features Company
5).Kit includes sampling tube reagent and color comparison for easy and reliable testing.
$10.89
GH pH Down Liquid Gallon.
$35.95
This can be achieved by monitoring your pH using the super concentrated drops found with the test indicator.0 - 8.5).
5). This can be achieved by monitoring your pH using the super concentrated drops found with the test indicator. The General Hydroponics pH Test Indicator works across a wide pH spectrum (pH 4.
$8.89