The claim. Flex Seal "stops leaks fast and is the easy way to coat, seal and protect almost anything," the manufacturer says. In a promo video, pitchman Phil Swift applies Flex Seal to a screen ...
Can a Flex Seal pond really hold fish? In this exciting experiment, we put Flex Seal to the ultimate test by seeing if it can create a safe and sustainable home for fish! Watch the results unfold—will ...