Piscine Energetics Frozen Calanus Feeding Accessories It retains any ring-shaped foods

It retains any ring-shaped foods

Does not require refrigeration

It may cost a little more upfront

With smaller particles that get easily trapped by filter feeders up to larger particles that are loved by anthias

Piscine Energetics Frozen Calanus Feeding Accessories It retains any ring-shaped foodsPremium natural nutrition for growth and color enhancement. Nutrient rich frozen PE Calanus zooplankton is a great source of essential fatty acids as well as astaxanthin and other carotenoid pigments to help support overall health and vivid natural coloration of aquarium inhabitants. Great for freshwater and saltwater fish as well as corals and other filter feeding organisms. 4 oz. blister pack.