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🌊 Stay ahead of your tank’s health with precision and ease!
The GAIN EXPRESS Digital Combo pH & Temperature Meter is a professional-grade tool designed for precise monitoring of aquatic environments. Featuring a large backlit LCD, automatic temperature compensation, and a 3-point auto calibration system, it delivers highly accurate pH (±0.1) and temperature (±0.5°C) readings. Powered by 4 AA batteries with a 3-month lifespan and equipped with a replaceable pH probe, this compact device is ideal for fish tanks, hydroponics, and aquaculture labs seeking reliable, user-friendly water quality management.














| ASIN | B08RYJ48X8 |
| Additional Features | High Accuracy, Low Battery Indicator |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Battery Life | 3 months |
| Brand | GAIN EXPRESS |
| Brand Name | GAIN EXPRESS |
| Color | pH&Temp Monitor(Upgraded) |
| Colour | pH&Temp Monitor(Upgraded) |
| Customer Reviews | 4.1 out of 5 stars 476 Reviews |
| Display Type | LCD |
| Included Components | Battery |
| Included components | Battery |
| Indoor Outdoor Usage | Indoor |
| Item Length | 9 Centimeters |
| Manufacturer | Gain Express Holdings Ltd |
| Model | PHM-295 |
| Model Name | PHM-295 |
| Number of Batteries | 4 AA batteries required. |
| Outer Material | Plastic |
| Outer material | Plastic |
| Part Number | PHM-295 |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Resolution | 0.1 degree fahrenheit |
| Response Time | 5 minutes |
| Reusability | Reusable |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special features | High Accuracy, Low Battery Indicator |
| Specification Met | View manual |
| Style Name | Contemporary |
| UPC | 600316551403 713072686217 |
| Unit Count | 1 Count |
| Upper Temperature Range | 60 Degrees Celsius |
N**K
Works great.
I’m using this in a hydroponic setup. It works great. One difficult thing is measuring out the calibration solutions. I have access to a lab, with scales and distilled water, but I don’t know how others would do this easily. The unit performs very well. Initial calibration is important to get accurate pH readings. But once you set it up, you don’t need to recalibrate often. The only time I needed to recalibrate was when I forgot to store the probe in the solution. Important: you never want to store the pH probe dry. It will become Un-calibrated and lose proper function if done repeatedly. Overall, it’s a really nice pH probe at a reasonable cost.
L**.
pH-mètre
Conforme à mes besoins
D**4
HIGHLY RECOMMEND!!
Love it
C**.
Preciso
El tercero que compro y me encanta lo practico que es abrir la puerta del sump y ver el pH y temperatura sin tener que hacer nada
J**O
Cumple bien
Funciona perfectamente
Trustpilot
3 weeks ago
2 months ago