Liquid marine buffer will safely raise marine ph to 83 while adjusting alkalinity it will not raise ph above 83 even if inadvertently overdosedr liquid marine buffer contains a balanced blend of bicarbonate carbonate and borate salts designed to raise ph and restore disrupted buffer systems to the proper balancer use seachems multitest marine ph amp alkalinity to check ph and total alkalinityr directionsr use 1 capful 5 ml for every 20 l 5 gallons daily until ph stabilizes at 83