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Ultum Nature Systems Controbase is a supplemental, nutrient-rich base substrate designed for planted aquarium use. This highly porous substrate is pumice stone infused with slow-releasing Nitrogen, Potassium, Phosphorous, and trace elements. It provides numerous benefits like support for heavy root-feeding aquatic plant species and excess nutrient regulation. Its larger 6-8mm granule size promotes improved water flow and oxygenation, cultivating beneficial bacteria growth and improving plant vitality.
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