THIS CORAL GRAVEL IS GREAT FOR MARINE  FISH AND MALAWI CICHLIDS
IT IS CALCIUM BASED SO WILL HELP TO KEEP YOUR P.H AT THE HIGHER END OF THE P.H SCALE
IN SMALLER AMOUNTS YOU CAN ALSO USE THIS IN YOUR TROPICAL , COLD WATER FISH TANK TO HELP KEEP THE P.H AT A STABLE LEVEL.
ON A SLIGHTLY LARGER SCALE THIS CORAL GRAVEL CAN ALSO BE USED ON YOUR POND 
 
THIS PRODUCT IS GOOD IF YOU HAVE PROBLEMS WITH YOUR P.H GOING LOW IN YOUR TANK OR POND SIMPLY ADD A SMALL AMOUNT TO YOUR TANK TO HELP KEEP THE P.H STABLE 
IF USING IT TO HELP WITH YOUR P.H WE ALWAYS RECOMMEND PUTTING THIS GRAVEL INSIDE A NETTING. THIS IS SO YOU CAN ALWAYS REMOVE IT EASILY IF NEEDED.
ALWAYS USE IT ALONGSIDE A P.H TEST KIT