creekbottom Posted April 15, 2014 Report Share Posted April 15, 2014 My tap water (edmonton) kH 7-8, gH 11-12. I was hunting at Canar today and came upon 'Alberta Rust'. They didn't know where it came from or if it was limestone or not. I'm wondering if it will really alter water parameters that much considering our water is already rock hard. Does anyone have any thoughts on this? They gave me a couple of samples and I've got them soaking now and I'll keep testing to find out. Quote Link to comment Share on other sites More sharing options...
jvision Posted April 15, 2014 Report Share Posted April 15, 2014 I believe limestone buffers around 8.6, maybe higher. In your already alkaline water, it will likely take a while to get up there, and with large regular WCs, there's a likelihood you'll never see it change much at all. Quote Link to comment Share on other sites More sharing options...
ckmullin Posted April 16, 2014 Report Share Posted April 16, 2014 (edited) take some tank water throw it in a bucket with a piece of the rock. measure the parameters in a few days, thats the safest thing to do. Edited April 16, 2014 by ckmullin Quote Link to comment Share on other sites More sharing options...
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