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pH Up & pH Down

General Hydroponics® pH Up, 8 oz General Hydroponics

From $10.00

General Hydroponics pH Up Liquid pH Adjuster

General Hydroponics® pH Down, 8 oz General Hydroponics

From $10.00

General Hydroponics pH Down Liquid pH Adjuster

General Hydroponics® pH Control Kit General Hydroponics

$18.63

General Hydroponics 4-Piece pH Control Kit

Emerald Harvest® pH Down, qt Emerald Harvest

From $17.30

Emerald Harvest® pH Down

TNB Naturals pH Down, 1 lb TNB Naturals

$17.53

TNB Naturals pH Down (MICROBIAL SAFE), 1 lb

TNB Naturals pH Up, 1 lb TNB Naturals

$17.53

TNB Naturals pH Up (MICROBIAL SAFE), 1 lb

Nectar for the Gods Hades Down, qt Nectar for the Gods

From $18.47

Nectar for the Gods Hades Down

Advanced Nutrients pH Down Advanced Nutrients

From $11.70

Advanced Nutrients pH Down 0-55-0 Concentrated pH Adjuster

Advanced Nutrients pH Up Advanced Nutrients

From $11.80

Advanced Nutrients pH Up 0-0-38 Concentrated pH Adjuster

NPK RAW Full Up, 2 oz NPK Industries

From $16.52

NPK RAW Full Up

Athena® Blended Line, Balance

From $39.50

Athena Blended Line, Balance

Athena® Pro Line, Balance

From $79.50

Athena Pro Line, Balance