In general, RAS, a closed-loop recirculating aquaculture system that moves and filters water so it can be reused at a constant and perpetual rate.

RAS - Recirculating Aquaculture System
RAS substantially reduces the amount of water and space required to on-grow our wild caught fish, which also reduces its carbon footprint quite significantly.

Very basically, the RAS process includes removing solids, ammonia, phosphates and Co2 from the water, plus it adds oxygen. Ammonia, which is produced by fish waste, is toxic, so it has to be filtered and converted to nitrite, which is then converted into nitrate that can be used within the RAS.

RAS is a process of keeping water clean, pH balanced, and flowing. It’s been used since the mid-50s and is a proven technology and cost effective method to raise fish that up until now has been mostly freshwater. We will use wild caught fish from the ocean, like sablefish, halibut, lingcod, and rockfish.

Recirculating aquaculture systems are mechanical and engineering marvels that include a byzantine array of pools, pumps, filters, etc., that facilitate the movement and cleaning of the water in which fish live.

Our RAS process is considerably different, and for a few reasons.

To start, our ecosystem is INLAND, not in the ocean, and will use saltwater.

We will clean our RAS water naturally using mollusks like mussels and oysters, and also other sea life like urchins and sea cucumbers. Plus, and most importantly we will grow seaweed to help keep our water pristine. Our RAS will be a holistic, organic ecosystem that essentially cleans itself in a closed-loop full-cycle process–it’s what makes us different, as in sustainable and Negative Carbon Balance and Climate Positive.

Our natural cleaning process is governed by IMTA – Integrated Multi-Trophic Aquaculture.

IMTA - Integrated Multi-Trophic Aquaculture

IMTA is where the bio-magic happens – learn more here . . .

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