I HAVE A 100 GALLON TANK RUNNING I HAVE SOME LACE ROCK BUT I AM IN NEED OF LOTS MORE MY FISH ARE CHASING EACH OTHER WITH MORE ROCK I CAN STOP THIS. LOOKING FOR DEAL ONLY OR FREE ROCKS IF THEY ARE IN THE GARAGE IN THE BACK YARD YOU ARE NOT USING THEM I CAM CALL OR TEXT ROBERT AT (323)440-4216