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pH Up & pH Down

Keeping pH levels correct is one of the most important aspects of indoor gardening. Unlike gardening outdoors, where rainwater and soil provide ample buffers and corrects to input pH, indoor gardens must correct for pH variations in both source water and nutrient feeds. Tap water can vary in its pH because different cities and municipalities add different chemicals and buffers to keep pH above 7. Nutrients usually have very acidic or alkaline values thanks to the mineral salts or concentrated organic supplements. Different species of plants vary in their pH requirements, but a common rule of thumb for indoor growers is 5.5-6.5 for soil, and 5.8-6.3 for hydroponics. HTG Supply carries top brands like General Hydroponics, Earth Juice, Advanced Nutrients, and Nectar for the God, all with excellent pH Ups and Downs.

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Product Filters
Weight Limit
Wattage
Voltage
System Type
Style
Speed Control Compatible
Spectrum Type
Fitting Size
Flange Size
Reflector Size
Size
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Shape
Reversible
Reflector Type
Probe Type
Portability
Planting Sites
Output Control
Outlets
Number of Lamps
Module Capacity
Material
Light Type
Light Source
Lamp Drive Frequency
HID Type
HID Bulb Type
Fitting Type
Component Type
Chip Type
Base Type
Ballast Component Type
Application Type
Application Type
Growing Method
GPH
Fixture Configuration
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Configuration
Color Temp. (Kelvin)
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General Hydroponics PRO pH Down 2.5 Gal
General Hydroponics Pro pH Down
$73.83
General Hydroponics PRO pH Up 2.5 Gal
General Hydroponics Pro pH Up
$73.83
Athena Balance pH Up
Athena Pro Balance pH Up
$77.00
NFG Hades Down Gallon
Nectar for the Gods Hades Down - Gallon
$66.30
Flex pH Down Quart
Flex pH Down Commercial Solution
$18.95
Flex pH Up Quart
Flex pH Up Commercial Solution
$18.95
Hydroponic Research PHLO PH Down 1L
Hydroponic Research PHLO PH Down+ - 1 Liter
$16.67
FoxFarm pH up 1 quart
FoxFarm Cultivation Nation pH Up - 1 Quart
$15.39
FoxFarm pH Down Quart
Foxfarm Cultivation Nation pH Down - 1 Quart
$15.39
Gh Phdown
General Hydroponics pH Down
$6.45
Gh Phup
General Hydroponics pH Up Liquid
$6.45
Advanced Nutrients Ph Up
Advanced Nutrients pH UP
$10.64

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