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5 Water Maker Lessons from 1.5 Years of Sailing – What We’d Do Differently
31 January 2026 · 14 min · 10K views
Anchored boat in a picturesque, remote bay at golden hour.
What this video covers
The owners of a 35-foot sailboat, Santana, installed a DIY Octopus Water Maker kit to achieve self-sufficiency in remote anchorages.▶ 1:16 The system uses a high-pressure pump to produce 60 liters of fresh water per hour.▶ 2:37 Initial installation errors included poor heat management, inadequate electrical capacity, and air intake issues caused by using an existing, poorly positioned through-hull fitting.▶ 6:15 The crew initially used an air-cooled Kärcher K2 pressure washer, which failed due to overheating and improper orientation.▶ 7:13 They replaced it with a water-cooled Kärcher K4, which functions regardless of orientation and requires no external airflow.▶ 7:59 To prevent galvanic corrosion in the K4’s metal components, the crew performs a daily automated fresh water flush.▶ 12:23 They now operate the system in 30-minute intervals during peak solar production to avoid high-amperage battery drain.▶ 12:18 Proper pre-pressurization of the intake line prevents air bubbles from damaging the membrane.▶ 10:38
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