General Hydroponics pH 7.0 Calibration Solution 8 Ounce (236 ml)
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... More Details
Price: $4.69
General Hydroponics pH 4.01 Calibration Solution 8 Ounce (236 ml)
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... More Details
Price: $5.16
Genesis Electrode Storage Solution - 16 oz.
Use to store your pH meter electrode between use. This solution is designed to keep your electrode sensing membrane and reference junction clean and unclogged and ready for use. Store you electrode directly in a small cup of solution or saturate a sponge ... More Details
Price: $6.83
Bluelab pH Probe
Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing ... More Details
Price: $49.69
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