This Substrate Is Specifically Designed For Biomes That Can Get Quite Hot, But Have Minor Humidity Spikes Throughout The Day. Not Only Does The Terra Firma Not Need A Drainage Layer, Its Design Allows For Proper Water Retention While Holding All Burrows And Tunnels Your Critter Creates!

Terra Firma Provides Excellent Organic Nutrition For Your Vivarium By Creating Necessary Air Pockets For Root Development And Plant Health. These Air Pockets Are Also Necessary For The Springtails And Isopods To Create A Sustainable Population In The Vivarium. Terra Firma Works Great For Corn Snakes, Indonesian Blue Tongue Skinks, Most Species Of Milk And King Snakes, African Fat Tail Geckos And More. There Is No Drainage Layer Needed With The Terra Firma.