Seachem Marine Buffer - 500 Gram Aquariums & Sumps Iodion is designed to help

Iodion is designed to help maintain iodine availability in a controlled way without using a harsher Lugol's-style solution for routine supplementation

Black finish blends into aquarium backs

The negatively buoyant pellet format means most pellets sink

10 ft grounded power cord

or no longer operating smoothly

Seachem Marine Buffer - 500 Gram Aquariums & Sumps Iodion is designed to helpSeachem Marine Buffer 500 Gram Seachem Marine Buffer 500 Gram is a powdered saltwater aquarium buffer formulated to raise and maintain marine pH at 8. 3 while supporting alkalinity and long term buffer stability. Seachem Marine Buffer for Saltwater pH Stability Marine Buffer uses a blended salt system that drives and holds marine aquarium pH at 8. 3. It is designed for saltwater aquariums and helps maintain pH and alkalinity without disrupting the