HANNA

The Hanna HI-70300M Storage Solution is designed for optimal maintenance of pH and ORP electrodes. It prevents drying, reduces bacterial growth, and maintains necessary hydration for accurate measurements. Packaged in a 230 mL, tamper-proof sealed bottle for freshness, it's marked with batch numbers and expiry dates for quality assurance. Avoid using distilled or deionized water for storage, as it shortens electrode lifespan.

Hanna Instruments’ HI7004L/C pH 4.01 calibration solution offers precise calibration for pH meters. This 500 mL, NIST-traceable solution ensures accuracy of ±0.01 pH at 25°C, crucial for various sensitive applications. Packaged with a tamper-proof seal, it’s dye-free to prevent sensor staining and ISO-certified for consistent quality. The bottle features a color-coded label and temperature chart for calibration accuracy across conditions, making it a reliable choice for maintaining pH measurement accuracy in labs and industry.

Hanna's electronic pH meter is a precision instrument that easily and accurately measures pH. It runs on batteries and is very easy to set up. To operate you simply press the "ON" button and dip the meter into the solution you want to measure.

Ideal for swimming pools, spas and aquariums.

Chlorine is the most commonly used water disinfectant and by monitoring chlorine regularly and accurately, serious health and safety risks can be avoided.

Can also be used to determine chlorine levels in fish tanks for optimum fish and plant health. Use alongside recommended dechlorinators.

Checker®HC is supplied with reagents for 6 tests. Use code HI-701-25 (25 tests) for future purchases.