General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.
General Hydroponics PH 7 Calibration Solution for Gardening, 1-Quart
Was:
$91.90
Now:
$45.95
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General Hydroponics PH 7 Calibration Solution for Gardening, 1-Quart
- SKU:
- TQW239451
- UPC:
- 793094015523
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.
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General Hydroponics PH 4.01 Calibration Solution for Gardening, 8-Ounce
Was:
$77.70
Now:
$38.85
General Hydroponics Ph 4-01 and Ph 7-0 Calibration Solution Kit Quart Size
Was:
$111.22
Now:
$55.61
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General Hydroponics pH 7-0 Calibration Solution - 8 Oz
Was:
$63.98
Now:
$31.99
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General Hydroponics Ph 7.0 Calibration Solution - 8 Ounces, 1 bottle
Was:
$79.80
Now:
$39.90
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General Hydroponics pH Up Adjusting Solution - 1 Quart
Was:
$113.88
Now:
$56.94