Frequently Asked Questions

Yes. For all beneficial bacteria and enzyme products, turn off your UV sterilizer for 24 hours after application. UV light kills beneficial bacteria before they can colonize your biofilter. You can resume normal UV operation after 24 hours.

Our beneficial bacteria and enzyme products are effective in water temperatures between 50°F and 90°F (10°C–32°C). Below 50°F, bacterial activity slows significantly. We recommend beginning your treatment regimen in spring when water temperatures consistently reach 50°F.

Absolutely — in fact, we recommend it. Beneficial Bacteria and Pond Enzymes work synergistically. The enzymes break down complex organic waste into simpler compounds that the bacteria can process more efficiently. For a simpler approach, try our BeneZyme 2-in-1 formula which combines both in a single product.

Accurate dosing starts with knowing your pond volume. Use our free Pond Volume Calculator to determine your pond size in gallons, then refer to the dosing chart on each product label. When in doubt, it's better to slightly underdose than overdose.

Yes. Our beneficial bacteria and enzyme products are safe for all fish species, plants, and biological filtration when used as directed. They contain no chemicals, antibiotics, or compounds that harm aquatic life. Our disease treatment products should be used only as directed — always read the label for species-specific precautions.

Yes — we offer free shipping on all orders over $99 within the contiguous United States. Orders typically ship within 1–2 business days.

Most orders ship within 1–2 business days. Delivery time depends on your location — typically 3–7 business days for standard shipping within the continental US. Expedited shipping options are available at checkout.

We stand behind every product with a 100% satisfaction guarantee. If you're not completely satisfied, contact us at Support@KoiGuard.com within 30 days of purchase and we'll make it right.

Visit our Dealer Application page and fill out the form. Applications are typically reviewed within 2 business days. Once approved, you'll receive access to wholesale pricing and can place your first order.

KoiGuard is positioned as a premium brand with pricing that supports strong retail margins. Contact us for specific wholesale pricing details.

Yes. We enforce a Minimum Advertised Price policy to protect our dealers' margins, both in-store and online. View our full MAP Policy for details.

Yes, authorized dealers may sell KoiGuard products online provided they adhere to our MAP policy. We provide digital assets including product photography and descriptions to support your online listings.

We provide product photography, shelf talkers, POP displays, social media graphics, and digital assets to all authorized dealers. Qualified dealers also have access to co-op advertising programs.