CRYPTO-PLUS is a unique formula that boosts the amount of nutrients and light that your aquarium plants absorb. It increases plant growth, colour and health and helps aquarium plants achieve their real potential! Ensures well-formed leaves and rich colours, heals bruised and transparent patches on leaves, smooths ragged edges and prevents disease. Great results can be seen in a matter of days, especially with ‘red leaf’ plants. eSHa CRYPTO-PLUS is safe to use with all tropical and coldwater fish.