Rated 5 out of 5 stars.
Keep your reef tank chemistry perfect with this Tropic Marin Original Balling refill kit.
It contains three separate 5-liter bags of salt mix for the classic Balling method.
You get the components to maintain Calcium, KH (carbonate hardness), and Magnesium, plus around 70 different trace elements.
It's designed for you to mix yourself with RO water.
A high-quality, essential supplement system for any serious reef aquarist.
