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General Hydroponics pH Up and pH Down PART #: GPU502 to GPDD510

High-quality pH solutions specifically designed for hydroponics. Solutions are formulated from nutrients that plants can use. Super-concentrated.

pH Up is base formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time if your nutrient pH is too low in order to raise the pH to the proper level. pH Down will lower the pH of nutrient solution and plant fertilizers.

Availability: In stock

ModelSizeType Price Qty
GPU502 8 OZpH Up Liquid
$7.88
PHR1 QuartpH Up Liquid
$11.55
PHR2 GallonpH Up Liquid
$28.35
  • 4+ $25.52 EA
GPUD500 2.2 LBSpH Up Dry Powder
$14.70
GPD502 8 OZpH Down Liquid
$7.88
PHL1 QuartpH Down Liquid
$11.55
  • 6+ $10.40 EA
PHL2 GallonpH Down Liquid
$28.35
  • 4+ $25.52 EA

Out of stock

Model GPU502 PHR1 PHR2 GPUD500 GPD502 PHL1 PHL2
Size8 OZQuartGallon2.2 LBS8 OZQuartGallon
TypepH Up LiquidpH Up LiquidpH Up LiquidpH Up Dry PowderpH Down LiquidpH Down LiquidpH Down Liquid
Price
$7.88
$11.55
$28.35
  • 4+ $25.52 EA
$14.70
$7.88
$11.55
  • 6+ $10.40 EA
$28.35
  • 4+ $25.52 EA
Qty

Out of stock