eSHa Cryptoplus is a unique formula that boosts the amount of nutrients and light that your plants absorb. It increases plant growth, colour and health and ensures well formed leaves and rich colours. It heals bruised and transparent patches on leaves. Smoothes ragged edges and prevents disease. Great results can be seen in a matter of days, especially with 'redleaf' plants. Treats 2000 litres (440 gallons).