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- 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.
- 2 bottles - 1 each of Ph 4.01 & Ph 7.0 Calibration Solution
- Highest quality electronic meter reference solutions
General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 8 oz
- Brand: General Hydroponics
- Product Code: GL56722015.030
- Note: Aquatica Plus is an Amazon Affiliate and may receive payment for items purchased on Amazon.
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