Sera Marin Component 5 Strontium is a strontium supplement for marine aquariums, designed for weekly use. It supplies essential strontium to support coral and invertebrate skeletal structure while maintaining proper balance with calcium and magnesium.

Specifications
Category: Water Treatment & Supplement
Brand: Sera
For: Marine Corals & Invertebrates
Size / Weight: 250 ml
Coverage: Up to 2,500 liters

Key Features
Essential Strontium Supply: Provides vital strontium for coral and invertebrate skeletons
Balanced with Calcium: Maintains correct strontium-to-calcium ratio
Weekly Supplement: One capful per 100 liters weekly
Supports Skeletal Health: Promotes strong, healthy growth
Part of Component Series: Works with sera marin 1 and 2 for comprehensive care