02-09-2014, 01:34 PM
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Google doesn't have an answer, but harder water will show less of an increase than softer water. I doubt I'll see much change if it is Limestone. I guess all I can do is let it sit and keep testing it, but all I did was rinse the stones in a bucket of hot water twice before adding a dash of conditioner and filling it so I feel like if it were actually limestone, I would be getting readings due to dust and fragments (I pulled larger pieces out of landscaping gravel near the road) that weren't removed. I may pick up my dirt and do my hardscape next week but not add water yet (I'm DYING to do my hardscape, lol) because I want to dry-start a lot of the plants that will be going in here.