Ocean Grown Growers - because there's nothing more ocean grown than a Newfoundlander.
HM Digital pH / Temperature Water Resistant Tester PH-80
HOLLAND SECRET PH UP 1L
HOLLAND SECRET PH DOWN 1L
Technaflora pH UP 1L
Technaflora pH Down 1L
Sure Test pH Test Strip Kit 5.5 - 8.0
BUMPER PH DOWN 1L
Dutch Treat pH Test Papers
General Hydroponics pH Test Kit
Alfred PH Test Strips (4.5-9) Unit
Bluelab Calibration Solution pH 4 500ml
Bluelab pH Probe KCI Storage Solution 100ml