San Francisco Bay Brand® Spirulina Brine Shrimp Frozen Fish Food Cubes
San Francisco Bay Brand Frozen Spirulina Brine Shrimp have been gut-loaded with Spirulina algae, which is used as an immune system booster in commercial aquaculture operations. The brine shrimp are frozen after being held in tanks with Spirulina to preserve nutritional benefits.
Usage Recommendations
Feed this product to your fish a few days before stressful events such as large water changes, moving to a new aquarium, reconfiguring plants, or adding new fish to help support their immune system.
Product Specifications
| Item | Weight |
|---|---|
| Package Size | 3.5 oz |
| Product Type | Frozen Brine Shrimp |
| Key Ingredient | Spirulina Algae |
FAQ
Can I feed Spirulina Brine Shrimp to my fish every day?
It is recommended to feed Spirulina Brine Shrimp a few days before stressful events. Daily feeding is not advised as it may lead to overfeeding or imbalanced nutrition.
Is Spirulina safe for all types of fish?
Spirulina is generally safe for most fish species. However, it’s best to consult with a veterinarian or aquarist if you have specific fish types with known sensitivities.
How long does the frozen product stay fresh after opening?
Please contact customer service

Lily McDonald –
My betta fish started showing better color and activity after I began feeding Spirulina brine shrimp before water changes. It’s easy to use and the shrimp are fresh-looking when thawed.
Virginia Wilkins –
I use this product before moving my tank to a new room. My guppies seem more resilient and less stressed during transitions. The packaging is clear and the instructions are straightforward.
Sue Hamilton –
The Spirulina loading makes a noticeable difference in my fish’s health. I’ve seen improved appetite and energy levels, especially during water changes.