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May 12, 2025 7 mins

Here's why you should collect rain water on your cruising boat, even if you have a watermaker. And a few tips to tell you how to do it.

Summary 

Catching rainwater on the boat? Is it worth it even if you have easy access to water in your cruising locale? We think so.

In the Marquesas, where we're currently cruising, we find taps providing water in every settlement's port. It's not always potable. But it's suitable for showers and laundry. We also have a small watermaker onboard.

Even so, we still gather rainwater aboard Calypso. A heavy rainfall fills our collapsible water jugs in 20 minutes with a little effort and no electricity.

Our watermaker uses 10 amp hours of electricity to produce three gallons. That's electric that we could use for making bread, accessing the internet, or other luxuries. 

Collecting water also means we don't have to be stingy with washing laundry. And can take longer showers. Every day.

Calypso's awning was designed to collect water with quick-connect fittings that we direct to a bucket. Even without an awning, you can collect water running off your bimini. Or collect it directly from the sky. 

For more details, listen to the full podcast. Or check out Water Catching FTW for pictures of our setup.

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Links (Amazon links are affiliate links, meaning that The Boat Galley Podcast earns from qualifying purchases; some other links may be affiliate links):

Spectra Watermaker - https://defender.com/en_us/spectra-watermakers-ventura-150d-watermaker-with-analog-control-panel-vt-150-d-12v 

Water Disinfecting Guidelines - https://www.epa.gov/ground-water-and-drinking-water/emergency-disinfection-drinking-water

Collapsible Water Jugs (Amazon) - https://amzn.to/4mbM5Fi 

Siphon Tube (Amazon) - https://amzn.to/3GOrTcB

Carolyn email - carolyn@theboatgalley.com

Today’s episode of The Boat Galley Podcast is sponsored by Lunatec, makers of the hydration spray bottle, odor-free dishcloth and sel

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