Silicone spray for aquarium?March 9, 2020 by Jerry HughesSolutions Central › Category: -Questions - General › Silicone spray for aquarium? 0 Vote Up Vote Down Jerry Hughes asked 5 months ago Hello, I want to coat a piece of artificial coral to make it safe for fish in the aquarium. Would this product be good for that? Thank you.1 Answers 0 Vote Up Vote Down chemtooler Staff answered 5 months ago No, Silicone Spray (part #1716) would not be a suitable choice. A better bet might be an acrylic coating such as Minwax; just give it plenty of time to cure.