Need to start dosing kH and Ca

zdrc

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I have a 12 gallon aquapod that's been set up for a few months now. I've been using Fritz RPM blue box salt. As I've added more and more corals and the coralline algae has started taking off, I've noticed a slow drop in kH and Ca. Previously, I've been just doing 30-40% water changes to keep the kH and Ca up. However, this hasn't quite been enough to keep up with demand. In addition, my nutrients have started to bottom out. I need to ease up on the water changes, probably just reducing their size. It seems that I need to start dosing. My most recent measurements are...

Ca: 380-390 ppm
kH: 6.7

I'm a complete noob at dosing. What products should I look at to raise kH and Ca?
 

wculver

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For a tank that size you could hand dose. I would just use Purple Up or if you wanted a more budget approach something like Kent marine purple tech. Both of these are crushed up coral so the ratios are sorta pre-mixed from the skeletons of dead coral. That way you don't have to really worry about ionic balance as much as you would with a more complicated dosing system.
 
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Cali Reef Life

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I use brs 2 part super simple start manually and they have a calculator to know how much to dose. Tank in mind you Don't really have 12 gallons of water after rock and sand more like 7-10 gallons depending on size. Always start with slightly less and you can always increase dose.
 

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