dryrock

I have CaribSea LifeRock in my tank and I noticed little particles that look like dust coming off the surface of the rock. At first I shrugged it off but its been going on for hours now. I’m pretty sure its harmless but does anyone know the cause or how to stop it?

Roughly 30-40 lbs of CaribSea LifeRock! Open boxes! This is what I didn’t use that was donated to me. The funds will be used towards maintaining a saltwater tank at a school. This retails for over $200 so it’s a great deal. Pickup only in the Lehigh Valley Area! I will also accept a $100 gift...

Hello I need a little bit of help.. my tank is in the process of cycling and it’s actually almost done but I want to change the salt before I add my clowns. I started with dead dry rock. I am currently using the tropic Marin pro reef salt but I won’t be having corals for a while because I rather...