PurpleUp soft coral

PurpleUp soft coralPurpleUp Calcium Supplement CaribSea PurpleUp is a reef aquarium additive designed to support coral growth and coralline algae development. It combines bioavailable calcium, magnesium, strontium, iodine, and fine aragonite particles to help maintain proper levels of essential minerals in saltwater tanks. PurpleUp is commonly used in reef systems to encourage pink and purple coralline algae growth on rocks and aquarium surfaces while also supporting

FOR RED SEA AQUARIUMS ( no magnet included in this package)

enhance water clarity

and easy testing

These pre-measured

Designed as a more precise alternative to traditional color-matching test kits

accurate alkalinity measurements for saltwater aquariums

Ideal for reef tanks in homes with elevated indoor CO₂

What they’re used for

Long shelf life when stored in a cool

Dose slowly into a filter sock (5–10 micron is ideal)

If disturbed

The easy-to-read temperature adjustment and fully submersible design make maintaining stable aquarium temperatures effortless