Although it's not as prolific as rotifers, brine shrimp multiplies pretty quickly to my surprise. I started with just a dozen adult brine which turned into this in a month or so. I feed a 1/4 tsp of whole wheat flour and dry spirulina powder (50/50 mix) with just a few granules of baker's yeast. I have been feeding my fish with a small amount of the shrimp, but the shrimp seems to be producing at a similar rate.
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