sealant

Hi, I need someone to help me select proper silicone safe for aquarium. I use to use GE silicone I, but seem like they don't carry that anymore. I was looking at another type said 100% silicone but it have "Cured sealant is mildew resistant" not sure if this is safe. See attached and please...

Hey guys, I replaced the back pane of glass on my 46 gallon bowfront tank... I replaced the glass and resealed the entire tank on monday around 1 pm... I called rtv and they said full cure is 3-7 days... Im on day 4.. and the rtv 108 seems solid.... would it be okay to do a leak test?

Long time lurker, first time poster. I have an odd request for you guys, hopefully you'll be able to help. My family is a house full of nerds, and my daughter had the brilliant idea of putting a Tardis in our reef tank. I know I can't just go buy a plastic Tardis and throw it in there, but I'm...

I'm putting together a DIY light fixture and I'm putting a sheet of acrylic in in order to keep water spray/evaporation and salt away from the light elements. The thing is the acrylic sheet will basically just sit on a lip in the hood I have made. I am wondering if anyone knows of some sort of...

so...my sump has been operating for about a week now. We built it ourselves using normal aquarium sealant from our las. noticed today that the seams are turning pink! The water isn't discolored and it isnt an illusion caused by the light. Right now it's just a pale pink and feels kinda slimy to...