Privacy Policy

Last Updated: February 14, 2026

1. Introduction

This Privacy Policy explains how Saltwater Aquarium Logger ("we," "us," "the Service") collects, uses, and protects your personal information.

2. Information We Collect

2.1. Account Information

  • Email address
  • Name (if provided)
  • Profile photo (if provided)
  • Account creation date

2.2. Aquarium Data

  • Aquarium names and descriptions
  • Water parameter measurements
  • Fish and coral information
  • Photos you upload
  • Dosing schedules and notes
  • Water change records
  • Custom additives you create
  • Log entries

2.3. Usage Data

  • IP address
  • Browser type and version
  • Pages visited
  • Time and date of visits
  • Referring URLs
  • Device information

2.4. Cookies and Tracking

  • Authentication cookies (required for login)
  • Session management cookies
  • Preference cookies (theme settings)
  • Analytics data (if implemented)

3. Coral Frag Marketplace Data

3.1. Marketplace Profile Information:

When you use the marketplace, you may provide:

  • Call sign (public username for marketplace)
  • Email address (for buyer-seller communication)
  • Phone number (for buyer-seller communication)
  • WhatsApp, Facebook Messenger, Facebook profile (optional)
  • Location (city/region for local pickup)
  • Bio and profile description

3.2. Marketplace Listings:

  • Coral frag photos and descriptions
  • Pricing and currency information
  • Shipping preferences
  • Tank location notes

3.3. Transaction Data:

  • Order history (buyer and seller)
  • Reservation timestamps
  • Cart contents and expiration times

3.4. MARKETPLACE PRIVACY DISCLAIMER:

THE MARKETPLACE SHARES YOUR CONTACT INFORMATION WITH OTHER USERS:

  • Public Listings: Your call sign and location are publicly visible on all your coral listings
  • After Purchase: When someone purchases your coral, they receive your email, phone, WhatsApp, Messenger, and Facebook information so they can contact you
  • When You Purchase: Sellers receive your email, phone, and contact information to arrange pickup/shipping
  • No Privacy After Transaction: Once a transaction occurs, both parties have access to each other's contact details

BY USING THE MARKETPLACE, YOU EXPLICITLY CONSENT TO SHARING YOUR CONTACT INFORMATION WITH BUYERS AND SELLERS.

3.5. Marketplace Limitations:

  • We do NOT verify seller or buyer identities
  • We do NOT screen or moderate marketplace listings (except for violations)
  • We are NOT responsible for user-to-user communications
  • We cannot retract contact information once shared

4. How We Use Your Information

4.1. To Provide the Service

  • Authenticate your account
  • Store and display your aquarium data
  • Enable sharing features
  • Facilitate marketplace transactions between users
  • Provide customer support

4.2. To Improve the Service

  • Analyze usage patterns
  • Fix bugs and errors
  • Develop new features
  • Optimize performance

4.3. To Communicate With You

  • Send critical service notifications
  • Respond to support requests
  • Notify of significant changes
  • Notify sellers of new orders

4.4. We Do NOT:

  • Sell your personal information to third-party companies
  • Use your data for advertising
  • Share your data with third parties for marketing
  • Track you across other websites

Note: Marketplace contact information IS shared with other users to facilitate transactions, as described in Section 3.4

5. Legal Basis for Processing (GDPR)

We process your data based on:

  • Consent: You create an account voluntarily
  • Contract: To provide the Service you requested
  • Legitimate Interest: To improve and secure the Service

6. Data Sharing and Disclosure

6.1. We share your data with:

  • Clerk: Third-party authentication provider
  • Database Provider: For data storage
  • Service Infrastructure: Hosting and deployment services

6.2. We may disclose data when:

  • Required by law or legal process
  • Necessary to protect our rights or safety
  • In connection with a business transfer or acquisition

6.3. Public Sharing:

  • Data you choose to share publicly via share links is visible to anyone with the link
  • You control what data is publicly visible through permissions settings
  • Public shares do NOT include your email or account information

7. Data Retention

7.1. Active Accounts:

We retain your data as long as your account is active

7.2. Deleted Accounts:

  • Most data is deleted within 30 days of account deletion
  • Some data may be retained for legal or security purposes
  • Backups may retain data for up to 90 days

7.3. Legal Requirements:

We may retain data longer if required by law

8. Your Rights (GDPR)

You have the right to:

  • Access: Request a copy of your personal data
  • Rectification: Correct inaccurate data
  • Erasure: Request deletion of your data ("right to be forgotten")
  • Restriction: Limit how we process your data
  • Portability: Receive your data in a structured format
  • Objection: Object to processing based on legitimate interest
  • Withdraw Consent: Revoke consent at any time

To exercise these rights, contact us through the Saltvandsforum.dk forum or delete your account through account settings.

9. Data Security

9.1. Security Measures:

  • Encrypted data transmission (HTTPS/TLS)
  • Secure authentication via Clerk
  • Regular security updates
  • Access controls and monitoring

9.2. No Guarantee:

  • While we implement reasonable security measures, no system is 100% secure
  • You are responsible for maintaining account security

10. Children's Privacy

The Service is not intended for children under 13. We do not knowingly collect data from children under 13. If we discover such data, we will delete it promptly.

11. International Data Transfers

Your data may be transferred to and stored in countries outside your residence, including countries that may have different data protection laws. By using the Service, you consent to such transfers.

12. Third-Party Links

The Service contains links to third-party websites (product manufacturers, ReefApp, Coral-ID). We are not responsible for the privacy practices of these sites.

13. Cookies

13.1. Required Cookies:

Authentication and session management (cannot opt out if using the Service)

13.2. Optional Cookies:

Theme preferences (can be cleared via browser settings)

13.3. Your Choices:

  • You can disable cookies in your browser, but this will affect Service functionality
  • Most browsers allow cookie management in settings

14. Do Not Track

We do not currently respond to "Do Not Track" signals as there is no industry standard.

15. California Privacy Rights (CCPA)

California residents have additional rights:

  • Right to know what personal information is collected
  • Right to delete personal information
  • Right to opt-out of sale (we do not sell data)
  • Right to non-discrimination for exercising rights

16. Changes to Privacy Policy

We may update this Privacy Policy at any time. We will notify users of material changes by:

  • Updating the "Last Updated" date
  • Posting a notice on the Service
  • Sending email notifications for significant changes

17. Data Breach Notification

In the event of a data breach affecting your personal information, we will notify you within 72 hours as required by GDPR.

18. Contact & Data Protection Officer

For privacy questions or to exercise your rights:

For EU users, you have the right to lodge a complaint with your local data protection authority.

19. Consent

By using the Service, you consent to this Privacy Policy.