I've been wanting a swg for our future pool. I'd just about convinced hubby (even though EVERY builder tries to talk us out of it). The other night a builder really got into the topic and was very impressed with my limited knowledge of pool chemistry. I told him my concerns about trichlor tabs, cya levels, etc, and he attempted to allay my fears saying that a uv system combined with tabs and/or "dichlor" tabs would keep these problems at bay. He said eventually the cya in any pool even salt would be irreversibly high and require draining. I hadn't heard this before so I didn't have a rebuttal! What do yall think?
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