Bioactive Terrarium KitFish Organic all in one Bio Active kit comes in three sizes 45cm, 90cm and 120cm kits. Each Bio Kit comes with all the products to set your tank up, Drainage layer, Mesh, Coco peat, Bug Culture (Spring tails, isopods, earthworms.) and Dried Gum leaves.To Set up place Drainage layer along the bottom of your tank, place and cut the mesh to fit nicely on top of your drainage layer. Spread out the coco peat over the mesh wire and pour the bug culture over the top, then add and gently mist the dried gum leaves to finish of your set up. 45cm Bioactive Terrarium Kit Includes4L Coco Peat5L Clay BallsBio-active set up culture150g Dried Gum Leaves90cm Bioactive Terrarium Kit Includes10L Coco Peat12L Clay Balls2 x Bio-active set up cultures200g Dried Gum Leaves120cm Bioactive Terrarium Kit Includes14L Coco Peat15L Clay Balls3 x Bio-active set up culture300g Dried Gum Leaves