Are you looking to set up a custom bio-active terrarium with a DIY background? Aquascape Waterfall foam is designed to be used in an aquarium setting; you no longer have to do the guess work standing around inside a hardware store wondering if the expanding foam they have is 100% safe for reptile use! 

This foam has the added value of being black instead of white. Making a headache-less build trying to cover all the white foam with substrates and cork. 

• Water-resistant expanding foam sealant
• Seals gaps/spaces between boulders and rocks
• Maximizes the flow of water over waterfall features
• Easy to use - includes extension tube applicator
• Safe for use around pond fish