Black Forest Spiderwood will give your tank a wild look beyond your average aquascaping driftwood with its black coloration. Use your creativity to add realistic beauty to any fish tank, aquascape, aquarium, terrarium, reptile habitat, or anything else you would like to add natural wood to. Small size ranges from 4-10 inches, and medium range 7-15 inches. Wood is natural and pictures are a representation of what you will receive. Each piece differs slightly. Can leach tannins which can cause a slight tint to your water. This is natural and the effects will reduce over time. Boiling the wood prior to use can decrease the amount of tannins in your water. The wildest wood of your aquascaping dreams. Black Forest Spiderwood is the newest addition of hardscape to our collection of aquascaping woods and stones. The key difference between this and your traditional common Spiderwood is the black coloration, giving it a unique and wild look beyond your average aquascaping driftwood. Mix it up with some change from your everyday driftwood by adding some rarely found Black Forest Spiderwood to your aquarium. Driftwood can leach tannins which can cause a slight yellow or brown tint to your water. This is natural and the effects will reduce over time. Boiling the wood prior to use can decrease the tannins leaching. Black Forest Spiderwood is buoyant and can float upon initial use. It is recommended to soak the wood before adding it to your aquarium.