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About nimstic

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  1. Hello guys. I'm setting up a 50 gallon aquarium that reflect the local landscape (I live in the UAE, where there are tons of limestones and granites along the hajjar mountains, from my understanding these are mostly sedimentary rocks). I've found a few good stones here (in the pic) in my last hiking trip. https://imgur.com/ZxBgkwv In the vinegar (6% acid) test on them, there was some fizz but only minor and in corrosive areas. There is a common talk among aquarium folks that limestones leach heavy metals and alter PH/Hardness of the water. These usually come from people who aren't r
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