The DDS-Multiaction system (hereinafter called DDS-MA ) is a dilution system for biocides in tablets or briquettes (Trichloroisocyanurate acid, Sodium dichloroisocyanurate, Bromine, Oxygen), with max recommended size of 20 g for biocides with low solubility such as Trichloride and Bromine and with larger sizes for very-high solubility biocides such as Dichlorides and Oxygen.