Privacy Policy
Last updated September 26, 2026
This policy explains what information is collected when you visit goodfishtank.com.
Information we collect
- Server logs. Our hosting provider (Vercel) processes technical data such as IP address, browser type and pages requested in order to deliver and protect the site.
- Email. If you email us, we keep your message and address only to reply.
- Calculators. The calculators run in your browser. We don't store the values you enter.
We don't sell personal information, and we don't ask you to create an account.
Advertising (Google AdSense)
We use Google AdSense to show ads.
- Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites.
- Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and/or other sites on the internet.
- You can opt out of personalized advertising in Google's My Ad Center.
- You can opt out of some third-party vendors' use of cookies for personalized advertising at aboutads.info.
Learn more in how Google uses information from sites that use its services.
Affiliate links
When you click an affiliate link, the retailer (for example Amazon or Chewy) may set cookies to credit the referral. Their privacy policies apply on their sites.
Your choices and U.S. state privacy rights
Depending on your state (for example California, Colorado, Connecticut, Virginia and others), you may have rights to:
- Know and access the personal information collected about you.
- Have it deleted.
- Opt out of targeted advertising or the "sale" or "sharing" of personal information.
Use your browser's cookie settings, the opt-out links above, or email hello@goodfishtank.com. We honor Global Privacy Control signals where the law requires it.
Children
This site isn't directed at children under 13, and we don't knowingly collect their personal information.
Changes
If this policy changes, we update the date at the top.