Top 10 Strontium for saltwater aquarium in 2026

ATI Labs - Strontium - 1000 ml: Reinforced coral skeleton

ATI Labs - Strontium is an ultra-high purity solution designed to support the calcification and growth of hard corals . Produced and controlled 100% in Germany, it complies with CLP regulations (EC No. 1272/2008) and is ECHA registered for complete transparency. Ideal for daily supplementation or targeted correction after ICP analysis, it offers clear and reproducible dosing to maintain stable strontium levels. Each 1000 ml bottle contains 20,000 mg of strontium , with a concentration designed for safe, precise adjustments with no surprises—enough to keep a strong, colorful, and successful reef, from beginner to expert.

• Promotes calcification and skeleton strength of hard corals
• Ultra-pure and traceable formulation, ECHA & CLP compliant
• Simple and predictable dosing for daily maintenance or after PCI

Srx10 100ml from Triton is a concentrated strontium supplement for the reef aquarium. Strontium is essential for the calcification of the skeleton and the good health of SPS and LPS type corals.

Reef Fusion 1™ and Reef Fusion 2™ form the basis of a system designed to provide the essential elements of the reef aquarium. When used as directed, Reef Fusion 1™ and Reef Fusion 2™ will maintain critical levels of calcium and alkalinity necessary for healthy coral growth.

Strontium Lab from Aquaforest is a supplement that contains concentrated strontium. 10 ml of product increase the strontium level by 1 mg/l in 100 liters of water. The recommended level of strontium in aquarium water is between 6.00 – 10.00 mg/l (ppm).

Restores and maintains the level of strontium to the existing value in natural sea water. Unlike other strontium chloride products, Reef Advantage™ Strontium is formulated so it can be added directly to the aquarium.