Thanks for helping me identify these things.
My original tank was a 40 gallon which I had up and running for almost 10 years without any problems. I recently switched it to a 90 gallon which has been a very slow process to keep my 10 year old maroon clown fish safe. I bought a couple pieces...
If anyone can please let me know what these red things are I would appreciate it. I have saltwater aquariums for 10 years and have never had these things and I have no idea what they are. I keep sucking them out of the sand and they seem to go down in the sand and then when I am done within 10...
