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Water Studio. Size it for how you live.
Tell the Water Studio how many people, how long off grid, and what you actually want at the tap. It sizes fresh and grey capacity, the pump, filtration, and plumbing the way an experienced builder would, and it is honest about water weight and freeze risk so you do not overbuild a system you will haul around half empty.
Step 1 of 1 · Live planning
How you will use water
The basics
How many people the system needs to support day to day.
How long you go before you can top up fresh water. Longer means bigger and heavier.
What you want at the tap
An indoor shower uses the most water, fills grey fast, and adds moisture inside the van.
System choices
An indoor shower forces a grey tank regardless of this choice.
A cassette toilet needs flush water and a place to dump. Composting keeps water off the toilet entirely.
System diagram
Lines and components update with your inputs. Verify tags mark fitment and sizing you should confirm against your real van and product manuals.