Where to Buy Greenwater for Daphnia, Moina, and Fish Fry

If you raise daphnia, moina, copepods, rotifers, or fish fry, you already know that greenwater is essential. Dense, living phytoplankton is the foundation of any successful live food culture. But finding a reliable source of high-quality greenwater is surprisingly difficult. Most hobbyists and breeders try to culture their own and end up frustrated by crashes, contamination, and inconsistency.

Hydralife Solutions solves that problem. We produce ultra-dense, professionally cultivated live phytoplankton in closed-system photobioreactors and ship it overnight anywhere in the continental United States. No culturing required. Just open the bucket and feed.

Freshwater phytoplankton commonly known as greenwater.

Why Culturing Greenwater at Home Fails

Growing phytoplankton at home sounds simple in theory. Add fertilizer to water, put it in the sun, and wait. In practice, DIY greenwater cultures crash constantly. Temperature swings kill cells overnight. Contamination from bacteria, protozoa, or competing algae species takes over within days. Even when a culture survives, the cell density is usually too low to sustain a thriving daphnia or moina colony.

What Makes Hydralife Greenwater Different

Hydralife greenwater is grown in enclosed photobioreactors under controlled conditions. That means no contamination, no wild algae species, and no guesswork. Every batch is dense, consistent, and packed with the live Nannochloropsis and Chlorella cells that daphnia, moina, and fish fry need to thrive. Our greenwater ships overnight in 5-gallon buckets at $20 per gallon, so you get fresh, living phytoplankton delivered to your door.

How to Order Greenwater from Hydralife

Ready to buy greenwater? Visit our greenwater ordering page to see all available sizes, pricing, and place your order. We offer 1-gallon, 2.5-gallon, and 5-gallon options with overnight shipping included. Whether you need a small amount to seed a new culture or bulk greenwater to feed a full breeding operation, Hydralife has you covered.