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get another dealer.Dichlor may go away quickly in hot water, but it does work just fine.
Spa 56 is the less potent type of Dichlor.
Really? I don't mean to question you of all people, Chas, but I'm curious about potency. I received a bottle of Sun brand of chlorine with my intial set up of my tub from dealer. When I needed more chlorine, I went to another dealer (my HotSpring dealer is 45 min. away and they don't carry HotSpring anymore, anyway) and bought Leisure Time Spa 56. Thought I got a great deal. I checked the active and inert ingredients and they were the same. The Spa 56 says 55% active chlorine. I can't find active chlorine amount on my Sun brand bottle. What should I be looking for?
Please don't ever hesitate to ask a question - I love to learn, and I certainly do goof from time to time.