General Hydroponics: PPM Calibration Solution

Sale price$32.99
In stock
Commercial & ACMPR growers: Email us for wholesale orders


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.

Shipping & Shipping Insurance

Payment & Security

Your payment information is processed securely via our encrypted online checkout, which is compliant with all six PCI standard categories to ensure your data is safe. We do not store credit card details.

You may also like

Recently viewed