SOLD SOLD SOLD
I have over 200+ lbs of Carib Sea reef rock.
4 reef tree kits with extra arches.
Most has been used but i have pressure washed it all and let dry out.
This is for pick up only as im not shipping rocks.
FCFS
For Sale
Due to moving out of state i have broken down my reef tank and...
I found this black stuff on a new piece of CaribSea South Sea Base Rock (it came out of the box a few days ago and has never entered my aquarium). It does not scrub off and appears to be encrusted on the rock. Should I worry about it?