Taught by Steve Dread of Potent Ponics. He has released this technique/method in open source with free use as long as you give credit to him as the originator when sharing the recipe.
2-4 cups spirulina and half that amount of Kelp powder5 gallons of water1 Tablespoon KNF LABS solution
Left until fully seperated solids as a cake on the top similar to when making KNF LABs in the milk culture step.