Tropic Marin Pro-Reef Sea Salt

Tropic Marin Pro-Reef is a premium German reef salt prized for its exceptional purity and precisely balanced calcium and alkalinity. Made from pharmaceutical-grade raw materials with no nitrate or phosphate, it is a favorite for demanding SPS and mixed reef systems where water quality matters most. Build your reef with corals and saltwater supplies.

Why This Salt

• Exceptional purity from pharmaceutical-grade raw materials
• Precisely balanced calcium and alkalinity for reef stability
• No nitrate or phosphate
• A favorite for demanding SPS and mixed reef tanks
• Made in Germany by Tropic Marin

How to Mix

• Mix with RO or RO/DI water, not tap water, for best results
• Add salt to water slowly with a powerhead running, never add water to salt
• Mix and aerate until fully dissolved and clear, usually a few hours to overnight
• Check salinity with a refractometer and target about 1.025 for reef tanks

Choose Your Size

Specifications

Pair It With

• Measure salinity with a refractometer
• Test and dose with alkalinity and calcium kits
• Browse more salt mixes and corals

Frequently Asked Questions

Why choose Tropic Marin Pro-Reef?
It is valued for its high purity and precisely balanced calcium and alkalinity, which help keep sensitive corals stable.

Is it good for SPS?
Yes. Its purity and balance make it a popular choice for SPS-dominant and mixed reef systems.

What water should I use?
Use RO or RO/DI water for the cleanest, most consistent mix.