I dose kalk for maintaining top off, but I use Kent's Turbo Calcium and Kent's Coral Builder for boosting Cal/Alk.

surprised
 

I'm actually quite surprised how little people use the homemade solutions. I thought it would have been a lot higher. Your thoughts?

To keep my Ca at 420 - 450, Alk at 10 dKH, I use mostly Kalk... every 3 - 4 days I mix up a 7 gallon container of Kalk with strontium and iodine that is fed to the sump for top off via a float switch. (I'm going to build a reactor soon, just deciding how I want to do it... :idea: :confused: )

I have to dose Alkalinity which I am currently using Kent Superbuffer dKH, (powder). I WILL be looking at cooking baking soda and mixing my own alk supplement, but I want to find a source for borate... still reading up on that... :mrgreen:

And yes I have a Ca reactor... every time I have tried to dial it in, I got algae every freaking where, :evil: so I switched back to Kalk.

kalk and baking soda.

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Funny you should poll this question, I should have done that a few months ago before I tried everything on the market. I don't have space for a reactor so Kalk is the best way for me. I also dose for alk using the home made 2 part additive. I've tried everything else and nothing compares to Kalk (besides areactor) to raise and maintain calcium levels for my 80 gallon system. Good poll!

It would also be helpful to know what sized tanks everyone has.

Is kalk available locally? :confused: Haven't seen it around.

I do nothing, including testing, except for running Chemipure. :mrgreen:

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Its at BA's, its cheep, it comes in two sizes!