Hanna Marine pH HC Checker Reagent - Pack of 100 (HI780-25) for Accurate Aquarium Water Testing | Perfect for Saltwater & Freshwater Tanks

HI780-25 Marine pH Checker HC Reagents are high-quality reagents for use with the HI780 Marine pH Checker HC with clearly marked lot numbers and expiration dates on each packet for traceability.

• Pre-made reagents for ease of use
• Prepared with high purity chemicals
• Marked with expiration date and lot number for traceability