Iodine is used by soft corals like anemones ,corallimorphs and inverts and also symbiotic zooxanthillae within the corals , this trace is also removed by chemical filtration like activated carbon and mechanical filtration like protein skimmers , so unless you perform 100% water changes weekly good chances your levels are low , do not over dose this product please follow dose rates, we still recommend 15-25% water changes at least once a month .
DO NOT DRINK
recommended dose rates are 2ml per 100L per week
5 drops per 100L per DAY .
Available in 3 sizes .
250ml 500ml 1Litre