The idea of walk in swimming water-testing is very good. Sadly, there's excellent inconsistancy from store to shop. Shop Number 1 explained my sodium swimming hardness was therefore large I had a need to strain my swimming and refill. Hesitant to just accept this at face-value, I visited shop Number 2. They do not possess a hardness test. Shop # 3 examined my water and explained it had been properly within range. Simply to make sure I went the a next shop plus they also established my swimming water was well withing range.
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