Quote:
Originally Posted by Aquattro
Let's expand on this. What is "very low" and what would the problem be? Mine is about 1150ppm and I don't really see any problems. Looks like a lot of work to chase a number without understanding the problem.
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In my experience, a result of low mag is that it makes it more difficult or challenging to maintain higher alkalinity levels. There's a whole chemistry lesson you can read up on regarding the relationships but what I took away was simply, low mag will bugger up alkalinity. To me low is below 1200 is when things start to get interesting.