Meters & Solutions
Showing 33–48 of 161 results
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EcoTestr pH2+ Pocket pH Meter
$104.99 View product -
Emerald Harvest® pH Down
$22.92 – $1,799.52 Read more -
Emerald Harvest® pH Up
$22.92 – $1,799.52 Read more -
FoxFarm Gringo Rasta pH Up Liquid
$17.95 View product -
General Hydroponics® Meter Calibration Solutions
$9.03 – $25.75 Read more -
General Hydroponics® pH Control Kit
$20.24 View product -
General Hydroponics® pH Down Liquid
$8.56 – $31.58 Read more -
General Hydroponics® pH Test Kit
$8.86 – $12.92 Read more -
General Hydroponics® pH Up Liquid
$8.56 – $31.58 Read more -
GreenGro Water Conditioner
$17.99 – $41.99 Read more -
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
$14.99 View product -
GroStar GS1 pH Pen
$115.99 View product -
GroStar GS1-E replacement pH electrode
$50.99 View product -
GroStar GS2 Soil pH Pen
$256.99 View product -
GroStar GS2-E replacement Soil Spear pH electrode
$181.99 View product -
GroStar GS3 EC Pen
$113.99 View product