Privacy

The sizer runs its calculation in the browser tab. Fixture counts, the state and the temperatures entered do not leave the device.

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Pages are served by Cloudflare, whose systems log requests (IP address, time, page) to keep the service secure. There are no accounts, sign-up forms or comment boxes on this site. Mail to support@tanklesssizechart.com is used only to answer it.

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Google Analytics counts visits to the pages of this site.

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Notice dated Nov 11, 2026.