An easy way to cool off that goes back centuries.is to keep a bunch of chilled grapes ready to eat they will cool you off even on the hottest of days .
For rain catching systems , I would let it rain a bit before I capture the rest of water. For a quick rinse first. And I think y'all already know this already but most don't run water makers in ICW or anything remotely Brackish.
Yes, we have one like that. It’s all individual parts that can be replaced as needed. Seawater Pro packages up all the parts for you. It’s worth paying for the service.
Keeping leaks to a minimum and your Diesel engine clean, AND keeping your bilges clean will reduce the Diesel smell to a manageable level. THEN with your next boat you can keep the Diesel engine