NLS make a "green" pellet/wafer, that's main ingredient is algae: Chlorella Seaweed, Ulva Seaweed, Red Seaweed, Kelp, Spirulina, Wakame Seaweed, followed by Whole Antarctic Krill**, Giant Squid*, Whole Wheat Flour, Eucheuma cottonii Seaweed, Spinosum Seaweed, Chondrus crispus Seaweed, Whole Menhaden Fish*, Omega-3 Fish Oil*, Garlic, Ginger, Astaxanthin, Marigold, Capsanthin, Zeaxanthin, Bentonite Clay, Sea Salt .
I have been feeding it to all of my fish for years, more so to fish that lean more to the herbivorous side.