• Joshua9847

Laura9093

Silicone sealant, according to unverified information, is a byproduct of the American space program. It doesn't care what kind of water. I don't know about "Hermesil." Is that the automotive sealant?

Elizabeth1221

Aha, the one and only. P.S. Thank you for the response.

Kevin3114

I wouldn't dare to make an aquarium with automotive sealant.