About us

Orr Biologicals is dedicated to empowering people the high quality phytoplankton they deserve! We formulate specific ratios of microalgae depending on the species you are trying to grow. This site is about providing you with optimized algae formulations.

Orr Biologicals is open to DIY support so that people can grow their own phytoplankton cultures at home by purchasing our starter cultures and media.

Honesty is our best policy. We will tell you what are products are for specifically, as well as their downsides and advantages so you can make an educated decision.

Our student has completed three college level courses in microbiology and done research demonstrating profeciency in phycological domains.

Orr Biologicals is a premier provider of live marine cultures. We specialize in high-density phytoplankton and biological additives designed to increase biodiversity and coral health. Based on a "biology-first" philosophy, we help reefers maintain stable, thriving ecosystems through the power of live microorganisms.