Accurately measure alkalinity in freshwater aquariums with the HANNA HI-775 digital checker. Simple, quick & includes 25 tests.
Handheld marine ammonia colourimeter. Measures up to 2.50ppm for saltwater aquarium maintenance. Simple single-button operation, highly accurate.
Pack of 25 marine ammonia checker reagents for HI-784, for accurate marine water testing.
Accurately measure freshwater ammonia with the HANNA INSTRUMENTS Checker HC. Portable, single-button operation for aquariums & environmental testing.
Pre-measured HANNA ammonia test reagents (25 pack) for fast, accurate freshwater aquarium monitoring using the Nessler method.
Accurately measure freshwater ammonia with the HANNA HI733 High Range Checker. Portable, single-button operation for water quality & aquariums.
Pre-measured reagents for HANNA Ammonia High Range Checker. 25 tests using the Nessler Method for fast, accurate freshwater analysis.
Measure calcium in water accurately with the HANNA HI758 portable checker. Ideal for marine aquaculture, reef tanks & water testing.
Pre-measured reagents for HANNA Calcium Checker HC. Tests 200-600 ppm calcium in marine aquariums. Pack of 25 tests.
Pre-measured DPD reagents for HANNA Free Chlorine Checker. 25-pack for fast, accurate ultra-low range water testing. UK supplier.
Pack of 25 pre-measured DPD reagents for Hanna HI-711. For total chlorine testing, range 0.00–3.50 ppm. Fast, accurate results.
Monitor ultra-low range total chlorine with the HANNA HI761 handheld colourimeter. Ideal for pools, drinking water & food sanitation.
Pre-measured total chlorine reagents for 0-500 ppb range. Pack of 25. For use with HI-761 Checker HC.
Accurately measure magnesium in saltwater aquariums with the Hanna Marine Magnesium Checker HC. Portable, easy-to-use colourimeter for marine biology.
Pre-measured Magnesium Reagents (Pack of 25) for HANNA Checker HC. Ensure fast, accurate marine & aquarium water testing.
Accurate HANNA HI702 Copper Checker for water, aquarium & environmental testing. Uses EPA method, includes battery & compact design.
Pre-measured HANNA copper test reagents (0-5ppm). Pack of 25 sachets for fast, accurate water analysis with a HI-702 checker.
Pre-measured high range Iron Checker reagents by Hanna Instruments. Phenanthroline method for 0-5 ppm testing. Pack of 25.
Validate your Hanna HI-721 Iron Checker with this high-range calibration set. Includes 0 ppm and 1 ppm standards for reliable checks.
Accurate HANNA Marine Nitrate Checker for reef aquariums. Digital low-range (0-5ppm) tester for optimal coral health & water quality.
Monitor nitrate accurately with the HANNA Marine Nitrate Checker. High range 0-75ppm for saltwater aquariums. Battery supplied.
Hanna Instruments Marine Nitrate Reagents (Pack of 25) for high range testing. Liquid calibration in convenient sachets.
