Avoids tension in the glass – compensates unevenness under aquariums and inside aquariums when there are rock constructions Easy to use: place the AquaPad under the aquarium or inside the aquarium for heavy rock constructions Compensates unevenness, prevents heat loss and load piles inside the aquarium caused by heavy stones Prevention of glass breakage, stability Contents: 1 special underlay for aquariums and terrariums