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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CaribSea Purple Up Algae Accelerator, 8-Ounce

Product ID: 10104495

Details

Brand
Carib Sea
Liquid Volume
8 Fluid Ounces
Item Weight
8 Ounces
Item Form
Liquid
Target Species
Fish

⚡Speeds up purple coralline algae growth

🌊Prevents nuisance algae bloom

🧪Boosts calcium, iodine & trace elements

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KSh4165

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Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Carib Sea
Liquid Volume
8 Fluid Ounces
Item Weight
8 Ounces

Description

💜 Elevate your reef’s purple power and watch your aquarium become the envy of every aquarist!

SAFE EASY DOSING - Designed for daily use with clear instructions—perfect for SPS, LPS corals, and clams without risk of overdosing.
NUISANCE ALGAE CONTROL - Promotes desirable algae without encouraging unwanted green or brown algae invasions.
BALANCED REEF CHEMISTRY - Infuses essential calcium, iodine, and trace elements to keep your aquatic ecosystem thriving and stable.
TRUSTED BY REEF ENTHUSIASTS - Join thousands of hobbyists who swear by Purple Up for vibrant, healthy reefs and hassle-free maintenance.
ACCELERATE VIBRANT CORAL GROWTH - Turbocharge your reef’s signature purple and pink coralline algae for that enviable aquarium glow.

CaribSea Purple Up Algae Accelerator is an 8-ounce aquarium treatment that enhances the growth of desirable pink and purple coralline algae by enriching your tank with calcium, iodine, and essential trace elements. It supports SPS and LPS corals and clams while preventing nuisance algae, making it a trusted solution for reef enthusiasts seeking vibrant, healthy aquatic ecosystems.

Specifications

Customer Reviews

4.5 out of 5 stars 949 Reviews

Reviews

A**R

26.09.2025

T**A

4.11.2017

S**U

12.05.2025

R**E

5.01.2025

M**0

26.07.2012

C**S

17.05.2025

F**V

29.04.2025

A**K

13.12.2016

B**K

24.01.2023

M**R

1.11.2018

B**R

5.01.2016

M**D

5.02.2026

C**R

23.06.2023

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