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Old 02-10-2009, 12:52 PM
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Location: Ponoka, Alberta
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Quote:
Originally Posted by midgetwaiter View Post
You use tap water rather than RO right? I imagine Ponoka has fairly hard water like the rest of the province so every time you do a top up with your tap water you are adding a fair amount of calcium but not very much alkalinity. If you use something like Kalkwasser in your top up it won't fix the problem as you are adding more or less balanced amounts of calcium and alkalinity to water that already has a lot of calcium. Boosting only alk in the top up by adding something like sodium carbonate (your baked baking soda) makes you top up into a balanced calcium / alk additive as well.

The easy way to go forward is to get yourself an auto top off of some kind and supplement the ATO water with Alk.
Any recommendations on a good ATO? I see Tunze carries one, but it appears to come with a tank to hold water, and I'm going to have to make a custom one, as I don't have a lot of space to put it.
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240 gallon tank build: http://www.canreef.com/vbulletin/sho...d.php?t=110073
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