This pool and spa silicone is a one part, low odor, neutral cure, noncorrosive silicone adhesive/sealant. It is designed to adhere ceramic tile to many substrates such as acrylic, fiberglass, ABS, PVC, wood and masonry. It also provides an excellent seal for spa jets and fittings. Ideal for bathroom tile installations. Waterproof/weatherproof seal. Non-sag formula. VOC compliant in all 50 states. Available in clear color and 10.3-ounce size.