a QT tank typically does not have any LR. Use random PVC fittings or similar to provide fish somewhere to hide/feel safe.
(any one that has LR in a QT make sure you NEVER introduce this rock into a display tank. Any medications used will remain withing the rock.)
(any one that has LR in a QT make sure you NEVER introduce this rock into a display tank. Any medications used will remain withing the rock.)