How & Why I Use Calcium And Kalkwasser Reactors Together | 300 Gallon Reef 

In this video, I will go over how and why I use a calcium and Kalkwasser reactor together to grow the coral in my 300-gallon reef tank. Ill be going over my thoughts and benefits of using both as well as having them as backup methods for each other just incase one fails or stops working.
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