I've been calling around and getting some wildly different answers about the expected longevity of propane (no gas out here) and solar heaters. One guy told me that propane might last as long as 10 years while another said 15 is reasonable. And I've also been told that solar only lasts 3-7 seasons. What's real?
BTW, one guy told me that it will only last 15 years *if* you take good care of the chemistry, which includes more than just pH and chlorine but also alkalinity. I've been told before that the need for alkalinity in a pool is a scam, but I should probably hear it again. I should take him seriously, should I?
I have an 18" above ground pool and live near Ottawa, Canada.