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Terms and Conditions

Last updated: July 13, 2026

Agreement to Terms

By accessing and using NPKGuide ("the Site"), you agree to be bound by these Terms and Conditions. If you do not agree with any part of these terms, you should not use this website. These terms apply to all visitors, users, and others who access the Site.

Use of the Site

NPKGuide provides fertilizer dosage calculators, plant care reference guides, and educational content related to lawn and garden fertilization. All tools on this site run entirely in your browser. No account or registration is required.

You agree to use the Site only for lawful purposes and in a manner that does not infringe the rights of, or restrict or inhibit the use of this Site by, any third party.

Intellectual Property

All content on this Site, including text, graphics, logos, icons, images, data compilations, and software, is the property of NPKGuide or its content suppliers and is protected by copyright and intellectual property laws.

You may view, download, and print pages from the Site for your own personal, non-commercial use, provided you do not modify the content and you retain all copyright and proprietary notices.

Accuracy of Information

NPKGuide provides fertilizer recommendations based on data sourced from university extension services, the USDA, and other agricultural research institutions. While we strive for accuracy, soil conditions, climate, plant varieties, and local factors vary widely.

Calculator results and fertilizer recommendations are for general educational guidance only. They are not a substitute for professional soil testing, local extension service consultation, or advice from a certified agronomist. Always follow product label instructions when applying fertilizer.

Product Information and Pricing

Product information, NPK ratios, coverage rates, and pricing shown on this Site are estimates based on publicly available data at the time of publication. Prices are approximate and may vary by retailer, region, and season.

NPKGuide does not sell fertilizer products. Product mentions are for informational purposes only and do not constitute endorsements. Always verify current pricing and availability with the retailer before purchasing.

Advertising

This Site may display advertisements provided by third-party advertising networks, including Google AdSense. These advertisements may use cookies and similar technologies to serve ads based on your prior visits to this Site or other websites.

NPKGuide is not responsible for the content of third-party advertisements. The presence of an advertisement on this Site does not constitute an endorsement of the advertised product or service. You interact with advertisers at your own risk.

For more information about how advertising partners use your data, please refer to our Privacy Policy. You can opt out of personalized advertising by visiting Google Ad Settings or the Network Advertising Initiative opt-out page.

Affiliate Links and Sponsored Content

Some links on this Site may be affiliate links. If you click on an affiliate link and make a purchase, NPKGuide may earn a commission at no additional cost to you. This does not influence our recommendations, which are based on university research data.

Any sponsored content will be clearly identified as such.

Third-Party Links

This Site contains links to external websites operated by third parties, including university extension services, government agencies, and product retailers. These links are provided for your convenience and reference only.

NPKGuide does not control and is not responsible for the content, privacy policies, or practices of any third-party websites. Visiting external links is at your own risk, and we encourage you to review their terms and policies.

Cookies and Tracking Technologies

This Site uses cookies and similar technologies for analytics, advertising, and to remember your preferences (such as light or dark mode). By using the Site, you consent to the use of cookies as described in our Privacy Policy.

You can control cookie settings through your browser preferences. Disabling cookies may affect certain features of the Site.

Limitation of Liability

NPKGuide and its owners, operators, and contributors shall not be liable for any direct, indirect, incidental, consequential, or punitive damages arising from your use of, or inability to use, this Site or its content.

This includes, without limitation, damages for errors or omissions in content, loss of data, plant damage, lawn damage, crop loss, or any other loss or damage of any kind arising from the use of any content published on this Site.

The Site and all content are provided "as is" and "as available" without warranties of any kind, either express or implied.

Indemnification

You agree to indemnify and hold harmless NPKGuide, its owners, and contributors from any claims, damages, losses, or expenses (including legal fees) arising from your use of the Site or your violation of these Terms and Conditions.

User Conduct

You agree not to misuse the Site or its content. Prohibited activities include, but are not limited to: attempting to gain unauthorized access to the Site, interfering with the proper working of the Site, scraping or bulk-downloading content for commercial redistribution, and using the Site to distribute harmful or malicious content.

Modifications to Terms

NPKGuide reserves the right to update or modify these Terms and Conditions at any time without prior notice. Changes will be posted on this page with an updated revision date. Your continued use of the Site after any changes constitutes acceptance of the revised terms.

We encourage you to review this page periodically for any updates.

Governing Law

These Terms and Conditions are governed by and construed in accordance with applicable laws. Any disputes relating to these terms shall be subject to the exclusive jurisdiction of the appropriate courts.

Severability

If any provision of these Terms and Conditions is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.

Contact

If you have questions about these Terms and Conditions, email us at [email protected] or visit our contact page.