Benchmark Magnesium Indicator

Replacement magnesium indicator for the Benchmark Calcium & Magnesium Test Kit.

• 7.5 mL indicator bottle
• Add 2 drops after the magnesium buffer
• Creates the wine-red starting colour used for the pure-blue endpoint
• One replacement reagent only; buffer, titrant and testing tools are not included

Protect from light and use only as directed with the Benchmark Magnesium Buffer and Magnesium Titrant.

Best value: Need every calcium and magnesium reagent? Choose the Calcium & Magnesium Refill Reagents. Need the tools too? Choose the complete test kit.

For aquarium testing only. Keep out of reach of children and read the product label before use.