Email ilyas@colombowala.com. For a dosing question, include your tank volume, the product and your latest test results.
Restore Evenreef Plus
On a new iPhone, or after reinstalling the app, open Evenreef, go to Settings and tap Restore purchases. Use the same Apple account you subscribed with.
Cancel Evenreef Plus
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Open the Settings app on your iPhone.
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Tap your name, then Subscriptions.
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Choose Evenreef and tap Cancel Subscription.
Cancel at least 24 hours before the renewal date to avoid the next charge. Deleting the app does not cancel the subscription. Apple handles refunds; you can request one at reportaproblem.apple.com.
Where your data lives
Your tanks, test results and dose logs are stored only on your iPhone, or in your browser on the website. You do not need an account. Optional accounts, when they open, will sync that data to our database so it is available on your other devices. The privacy policy has the details.
Delete your data
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Delete one tank and its log in Settings > Delete tank.
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Delete everything by deleting the app from your iPhone, or by clearing this site's data in your browser.
Check a dose
No account or setup needed: pick a product, your tank size and the change you want.