BIO KIT Nano Reef collects in one box a full range of products specially designed for the care of small reef tanks. This 20 vial kits is a 10 week care program for nano reefs up to 40 Litres (10 gallons). BIO DIGEST Nano eliminates organic waste and ensures the best water quality by reducing nitrates and phosphates. BIOPTIM Nano enhances the action of the bacteria from Bio DIGEST Nano by supplying trace elements and vitamins. REEF BOOSTER Nano is finely micronized food, enriches with essential W-3 fatty acids. It has been designed for feeding invertebrates, hard corals and live rocks. IODI + Nano helps the corals maintain their natural colors and prevents bleaching by supplying iodine, and essential element for their growth. STRONTI+ Nano is a source of strontium, which is essential for the growth of red calcareous algae, and of the skeleton of hard corals. Every 15 days: BIO DIGEST Nano: 1 vial up to 40 litres ( 10 gallons ) BIOPTIM Nano: 1 vial up to 40 litres ( 10 gallons ) IODI + Nano: 1 vial up to 40 litres ( 10 gallons ) STRONTI + Nano: 1 vial up to 40 litres ( 10 gallons ) Every week: REEF Booster Nano: 1 vial / 40 Litres ( 10 gallons ). STRONGLY SHAKE VIALS BEFORE USE - DISPOSE OF EMPTY VIALS SAFELY KEEP OUT OF REACH OF CHILDREN