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General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$7.54
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$21.50
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$7.54
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$21.50
The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of t..
$17.20
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$7.54
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$10.76
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$26.90
Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the colora..
$10.76
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$7.54
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$10.76
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$115.20
To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..
$26.90
Porthole Cover for the AeroFlo 60 Reservoir. Allows quick access to the reservoir for maintenance of..
$10.95
The PowerGrower Eco replaces the older model PowerGrower. The unique hexagonal design enables you to..
$108.00