Does this have an expiration date?

Just checked the bottle and I didn't see any.

does this work if i dont have any corraline algae yet?

I did not have any obvious coraline algae and used it once. I had a huge mess as the green algae bloomed everywhere. I changed the water and cleaned the filter adjusted the lighting timing and the next morning the algae bloomed in an overabundance. It took 3 water changes and 4 filter cleanings to get it under control. I threw it away but your experience may be different.

Will this harm invertebrates?

Nope, not at all. Just check your levels (you should do this anyway). Been using this stuff for years! Good for any hard corals and coco worms too. Makes everything nice n pink n purpley!

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Purple Up Algae Accelerator, 8-Ounce, Aquarium Maintenance, Coralline Algae Growth Acceleration, Aquariums with Stony Corals, 8 Ounces

Product ID: 410965707

Details

Liquid Volume
8 Fluid Ounces
Item Weight
8 Ounces
Item Form
Powder
Target Species
Invertebrates
Manufacturer
Carib Sea

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Description

Purple-UP 8 oz, Coraline algae growth accelerator from CaribSea. Purple-Up is a new pink and purple Coraline algae growth accelerator. Since Purple-Up is not a fertilizer, it does not promote the growth of nuisance algae. How does it work? Purple-Up uses a unique dual method approach to coralline algae acceleration. It contains ionic calcium which immediately raises dissolved calcium levels in your aquarium water. At the same time Super Sea Calcium (a 10 micron aragonite powder derived from natural seawater) targets the live rock surface. Super Sea Calcium dissolves in situ; delivering calcium, strontium, magnesium, and carbonate right where it's needed. Purple-Up also replenishes iodine; an essential element for coralline algae tissues that quickly becomes depleted in closed systems. Purple-Up is an excellent addition to any aquarium with stony corals too! One bottle of Purple-Up replaces the typical multi product recipe for successful coralline algae growth favored by advanced aquarists. Review: Recieved perfectly fine. - Good.

Specifications

Liquid Volume	8 Fluid Ounces
Item Weight	8 Ounces
Item Form	Powder
Target Species	Invertebrates
Manufacturer	Carib Sea
UPC	008479085306
Global Trade Identification Number	00008479085306
Item model number	8530
Product Dimensions	5.08 x 5.08 x 17.78 cm; 226.8 g
ASIN	B000I2RNU0

Reviews

M**D

Recieved perfectly fine.

Good.

5.02.2026

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