ESV B-Ionic Magnesium – 1 Gallon (128 oz)

ESV B-Ionic Magnesium is a concentrated magnesium supplement designed to maintain magnesium levels in saltwater reef aquariums. Magnesium supports coral calcification and helps maintain balanced calcium and alkalinity.

• Supports healthy coral growth and skeletal development
• Helps maintain stable reef water chemistry
• Compatible with ESV B-Ionic Calcium Buffer System

Size: 1 gallon (128 fl oz). Test magnesium regularly and follow manufacturer dosing instructions.