New Life Spectrum Nutri Gel is a nutrient-dense powder that mixes in minutes to create a water-stable soft gel food .This complete and balanced daily diet provides an exceptional nutrition profile to enhance the colour and vitality of your aquarium inhabitants.It incorporates natural and easily digestible ingredients including whole antarctic krill,chorella algae, Spirulina and Seaweed,and is completely free of fillers and hormone additives. Nutri Gel is great for virtually any aquatic creature and its highly scented formula will entice even the most finicky eaters,including newly added livestock. It makes an ideal substitute for frozen foods Powder,Just mix boiling water in 2;1 ratio, one spoon food with 2 spoons of water, mix them thoroughly and then let the mixure cool down or put in refrigerator.You will get the gel,cut it into tiny pieces as per your requirement.It does not pollute the water.