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⚡ Stay ahead in precision—measure smarter, not harder!
The GAIN EXPRESS Replacement pH Electrode offers a robust, highly accurate solution for continuous liquid pH monitoring. Featuring a full 0-14 pH range, a long 200cm cable with BNC connector for easy integration, and included calibration powders, it’s engineered for versatile use in labs, aquaculture, hydroponics, and more. Durable construction and leak-proof storage ensure reliable performance and longevity.









| Asin | B0976YWW9S |
| Color Name | Ph Electrode W/ 200 Cm Cable Long |
| Customer Reviews | 3.9 3.9 out of 5 stars (32) 3.9 out of 5 stars |
| Date First Available | 3 February 2022 |
| Item Model Number | E-314 |
| Item Weight | 168 g |
| Package Dimensions | 18.49 x 6.5 x 4.8 cm; 168 g |
User
PH probe
Good replacement for pH monitor. Good price. Does need to be calibrated.
User
Doesn't work
Bought two, one was received missing the BNC connector, the other won't hold calibration and also gives wrong reading when placed in aquarium.
User
funktioniert nicht
funktioniert nicht!
User
Great replacement probe
This is a great replacement probe for your BNC connected pH probe. The price is right. Shipping was fast and works well.
User
Does not work
Does not work with an MC 122 controler. When I calibrate in a solution then put it in my tank it gives a false reading and cannot be calibrated. Checked with a known good and accurate probe and it is way off. I cannot recommend this product.
Trustpilot
1 month ago
5 days ago