Hanna PHEP 4 Tester With Replaceable Electrode Compost Teas Each pack contains

Each pack contains

The BlueFlex build stays flexible

Pairs with a DIY Condenser

more efficient plant development

Using the Cleanlight technology means less chemicals usage and no residue on your crop

Hanna PHEP 4 Tester With Replaceable Electrode Compost Teas Each pack containsWhen HANNA introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease of use in combination with its affordability made it possible for non technical and technical personnel alike to measure pH on the spot, accurately and inexpensively throughout a variety of industries. Since its introduction, over 1 million pHeps have gone to satisfied customers around the world.