Bubble Magus Auto Top-Off Reservoir - 9 Gallon Angelfish Expected increase: About 5 mg/L

Expected increase: About 5 mg/L magnesium per 5 g per 80 L

removing the need to measure liquid conditioner for many common aquarium maintenance tasks

Calibration solution is not supplied

5 g or 3/4 teaspoon

Recommended aquarium size: 250-1

Bubble Magus Auto Top-Off Reservoir - 9 Gallon Angelfish Expected increase: About 5 mg/LBubble Magus Auto Top Off Reservoir 9 Gallon Bubble Magus Auto Top Off Reservoir 9 Gallon is a larger acrylic freshwater reservoir for aquarium auto top off systems. It is designed for aquariums with higher evaporation demand or for hobbyists who want more top off capacity between refills. Bubble Magus 9 Gallon ATO Reservoir for Larger Aquariums The 9 gallon model provides a larger covered water supply for reef, saltwater, or freshwater aquariums