Sep 23, 2014 #21 jaredherman Member 5 Year Member Joined Oct 16, 2013 Messages 32 I agree, those little stones do not look safe.
Sep 23, 2014 #22 bouaboua Well-Known Member 10 Year Member! Joined Dec 7, 2013 Messages 11,786 Location (City and/or State) San Jose CA I also concern on those little white stone. Just use the coco coil will be OK.