Hanna Instruments GroLine Waterproof EC/TDS/Temp Tester TDS 180° and 90° spray heads

180° and 90° spray heads for a wide range of landscape applications where low pressure and low application rate are preferred

Produces a constant stream

Live worms for composting and gardening

while the multi-stage filter system provides Clean Room grade filtration down to

Hanna Instruments GroLine Waterproof EC/TDS/Temp Tester TDS 180° and 90° spray headsThe GroLine Waterproof EC TDS Tester is made specifically for hydroponics, provides a simple, inexpensive solution to measure fertilizer concentration in a nutrient solution. The GroLine Waterproof EC TDS Tester is one of Hanna Instruments' latest pocket meters for measuring the EC TDS of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The GroLine Waterproof EC