Acrylic Dome and Rain-X?

Looking to do some over/under shots with the 10.5 behind an Aquatica 8"dome. Can you use Rain-X with it? Any other suggestions welcome

Rain-X bad. The alcohol degrades acrylic, which you'll see as crazing and cracks.

I use RVR Rain Repellent, which was built for acrylic, has no alcohol, and works as well as Rain-x (although not as durable).

All the best, James

For acrylic ports, RainX = BAD, Johnson's Baby Shampoo = GOOD

Great tip! I'm gonna use that.