Seachem Reef Fusion 2 500ml – Alkalinity Supplement for Reef Aquariums Aquarium Plumbing Durable construction for long-term stability

Durable construction for long-term stability

flow adjustment tap

With over a decade of scientific research backing it

and highly efficient LED reef light designed to maximize coral growth while delivering even spread and natural shimmer

Designed for quick installation

Seachem Reef Fusion 2 500ml – Alkalinity Supplement for Reef Aquariums Aquarium Plumbing Durable construction for long-term stabilitySeachem Reef Fusion 2 500ml is a concentrated alkalinity supplement designed as part of Seachems two part Reef Fusion system. It contains a balanced blend of carbonates and bicarbonates that maintain stable alkalinity levels and supply calcareous organisms with the essential carbonate required for growth. When used together with Reef Fusion 1, this system provides complete calcium and alkalinity support, closely replicating natural seawater