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The ATK (Automatic Top-off Kit) is a simple
• Includes: Aquarium
and immunity
fine filter floss or other mechanical filtration ahead of XPort Bio Brick to prevent clogging with organic material
BRS Kalkwasser (Calcium Hydroxide) Size:2 Pounds The ATK (Automatic Top-off Kit)Ultra pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the difference. If you are adding Kalk to your ATO reservoir or a reactor, you will find that BRS Pharma Kalkwasser mixes faster with fewer impurities and is even more potent than the others, meaning you will