Details
Seachem Reef Advantage Strontium – Dry Strontium Supplement for Marine Aquariums (600g)
Seachem Reef Advantage Strontium is a dry, highly concentrated (30,000 ppm) strontium chloride supplement designed to restore and maintain strontium levels in reef aquariums. Strontium is chemically similar to calcium and is used by corals, clams, and coralline algae in the formation of their skeletons and shells.
This supplement is ideal for densely populated reef tanks where strontium is rapidly depleted. Unlike other products, Reef Advantage Strontium can be added directly to the aquarium without pre-mixing, making it convenient and efficient for regular dosing.
Key Features:
- Restores strontium to natural seawater levels (8–12 mg/L)
- Supports skeletal growth in corals, clams, and calcareous algae
- Dry, ionically balanced formula – no ammonia or phosphate
- Can be dosed directly into the tank – no need to pre-mix
- Safe for all marine and reef aquarium inhabitants
Product Specifications:
- Brand: Seachem
- Weight: 600g
- Form: Powder
- Concentration: 30,000 ppm strontium chloride
- Country of Origin: United States
Directions for Use:
- Use 6g (1 level teaspoon) per 150 L (40 US gallons) twice weekly
- Each dose raises strontium by ~2 mg/L
- Target strontium level: 8–12 mg/L
- Do not exceed 25g per 150 L per day
- Use Seachem Reef Status™ Strontium test kit to monitor levels
- Do not mix directly with carbonate supplements – dose at least 30 minutes apart
Pro Tips:
- Set up a drip system for continuous dosing in high-demand tanks
- Ideal for use alongside Reef Advantage Calcium™ and Reef Builder™
- Make large adjustments gradually to avoid overshooting
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