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3 Products

-16%

Hanna Instruments

HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

Only 2 left

1 review

Regular price $209.00

Regular price ~~$249.99~~ Sale price $209.00
-14%

Hanna Instruments

HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter

Only 1 left

Regular price $279.00

Regular price ~~$325.00~~ Sale price $279.00
-6%

Hanna Instruments

HANNA® GroLine Hydroponic Monitor for pH, EC, TDS, Temperature

Only 1 left

Regular price $495.00

Regular price ~~$525.00~~ Sale price $495.00