Everbuild Everflex Aqua Mate Sealant and Adhesive Fish Safe specifically formulated for aquarium manufacture and repairs remains permanently stays flexible and Forms a watertight seal. Aquamate is a high modulus reactive curing silicone sealant that can also be used to put in place filtration and decorative aquarium products. Used to manufacture aquariums vivarium's and terrariums can also be used on pond liners and pond filters with an adhesion test first. Uses All sealing applications in aquaria glass to glass joints sealing of pond liners and all supply drainage piping manufacturing of fish tanks. Benefits Free from fungicide and solvent fish Safe will not harm fish fast cure gives quick early strength this sealant and adhesive has extremely low dirt pick up. The waterproof seal With stands continuous water immersion. Limitations As pond liner materials vary in quality always test a small area first for adhesion. Always wash out ponds and aquaria after using aqua mate to remove residual acetic acid and Test pH before use. Allow sealant to fully cure before moving or filling with water.