Zoo Med Spirulina 20 Fish Food, 4-oz bottle

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About This Item

Details

  • Made with 20% Spirulina, salmon, krill, and shrimp meals for a nutritious daily food for freshwater and saltwater fish.
  • Provides protein, vitamins B12, C and E, trace minerals, and color-enhancing beta carotenes.
  • Supports overall wellbeing, including healthy appetite, color, growth and development, and reproduction.
  • Perfect for goldfish, African cichlids, guppies, tangs, and even crustaceans and invertebrates.
  • Formula is proudly made in the USA with no artificial colors or preservatives.

Ingredient Information

Feeding Instructions

Questions & Answers

3 Customer Questions


I have a "blue electric crawfish", fancy guppies, and in another tank; Caribbean land hermit crabs. Will this enhance all colors of all of these pets safely or just the red hues? And again, can all of them eat this safely or is it only for the tropical fish?

Answer by ChewyJul 27, 2020
Zoo Med Spirulina 20 Fish Food can be fed to crawfish, hermit crabs and guppies.

What does it look like?

Answer by ChewyMay 19, 2019
This fish food will have a flaked consistency.

How long will it stay fresh after being opened?

Answer by ChewyApr 24, 2024
Vitamins can start to degrade after 6 months. Make sure to store in a cool dry place for the best shelf life (not the refrigerator)
4.6
Rated 4.6 out of 5 stars
49 Ratings

20 Customer Reviews



Rated 3 out of 5 stars
By Carolyne on Nov 5, 2025

Massive size can!

Great product, but buyer beware. You would need to have 20 aquariums to ever begin to use all of this much. So, will be wasted in my house with only a 50 gal. My

Great product, but buyer beware. You would need to have 20 aquariums to ever begin to use all of this much. So, will be wasted in my house with only a 50 gal. My mistake, but never in my wildest dreams would I expect a container this size for a hobbiest.


Rated 5 out of 5 stars
By Roger on Nov 21, 2025

Fish love this food!

Great fish food.

Great fish food.


Rated 5 out of 5 stars
By steven on May 4, 2024

Zoo Med Spirulina 20 Fish Food

Having many different Types of fish, you learn that they all have different tastes for the foods you put in the tank.. Silver Dollars will inhale flakes as Big as

Having many different Types of fish, you learn that they all have different tastes for the foods you put in the tank.. Silver Dollars will inhale flakes as Big as they are and then hunt for every little piece of this Spirulina that breaks off.. Good Stuff ....


Rated 3 out of 5 stars
By Kourtney on Dec 20, 2022
Top 1000 Contibutor

Big Flakes

Fish seem to enjoy the food but the flakes are so big that they are not easy to feed at the size they are. I had to use the blunt end of a knife to pulverize the

Fish seem to enjoy the food but the flakes are so big that they are not easy to feed at the size they are. I had to use the blunt end of a knife to pulverize the flakes to make them manageable to feed.


Rated 5 out of 5 stars
By KKal on Apr 4, 2022

Yummy, apparently

I give this to my goldfish about once a week to diversify their diet and they seem to like it.

I give this to my goldfish about once a week to diversify their diet and they seem to like it.


Rated 4 out of 5 stars
By HCCL on Jun 27, 2021

Fish seem to really like these

I've got two aquariums: One with East African cichlids (mbuna), and one with assorted liverbearers. And the fish all seem to really like these spirulina flakes.

I've got two aquariums: One with East African cichlids (mbuna), and one with assorted liverbearers. And the fish all seem to really like these spirulina flakes.


Rated 5 out of 5 stars
By fishfuzz on Oct 16, 2020

they love it

been feeding my fish this food and it never failed me --all my fish love it

been feeding my fish this food and it never failed me --all my fish love it


Rated 5 out of 5 stars
By Pascal on Nov 2, 2019

Spirulina Flake Food

I've heard a lot of wonderful things about spirulina, so I purchased this for the first time, and both my fish went INSANE for this stuff. I have two goldfish,

I've heard a lot of wonderful things about spirulina, so I purchased this for the first time, and both my fish went INSANE for this stuff. I have two goldfish, so they're most definitely not picky, but this - they went nuts for it. Important feature, a little goes a long way, so a few flakes will provide lots of enrichment for your fish(es). It does dirty the water a bit, but eventually settles. Most definitely a worthwhile purchase so far.


Rated 5 out of 5 stars
By Catherine on Apr 27, 2019

African Cichlids Approve!

I feed my cichlids a variety of foods, but this does seem to be their favorite. The only problem is the bottom 1/3 of the can has usually turned to dust by the time

I feed my cichlids a variety of foods, but this does seem to be their favorite. The only problem is the bottom 1/3 of the can has usually turned to dust by the time I reach it. I think i’ll try a previous reviewers suggestion of freezing the dust into cubes.


Rated 4 out of 5 stars
By Rockinrican29 on Mar 5, 2019

Good supplement

These flakes are a good supplement for cichlids, also helps to enhance color.

These flakes are a good supplement for cichlids, also helps to enhance color.