Koi Pharma Koi Defender - 32oz - Pathogenic Bacterial Control

Vendor: Koi Pharma
SKU: KPKD-32
Product Type: Koi & Fish Medication
$121.99
$121.99

Koi Defender Pathogenic Bacterial Control for Healthy Ponds

Koi Defender, the ultimate solution for protecting your koi from harmful Aeromonas and Pseudomonas bacteria. These bacterial strains can cause life-threatening infections such as ulcerations, fin, tail, and mouth rot. Koi Defender, made from a powerful blend of bacteria and enzymes, effectively combats these pathogens, ensuring your fish remain healthy and vibrant. 

Koi Defender controls all strains of Aeromonas and Pseudomonas bacteria, the primary cause of ulcer disease, reducing the harmful bacteria and keeping your pond safer. With over 1 Billion active Bacteria Fighting Pathogen, Koi Defender starves out the harmful bacteria without harming your biofilters.

Frequently Asked Questions:
1. How often should I use Koi Defender Pathogenic Bacterial Control?
For preventive care, use Koi Defender once a week according to the maintenance dosage. Treat immediately if you notice signs of bacterial infections.

2. Can Koi Defender be used in tanks with plants and other aquatic life?
Yes, Koi Defender is safe for use in ponds and tanks containing plants and other aquatic life. It targets harmful bacteria without affecting other pond inhabitants.

3. Will Koi Defender affect my pond's filter or biological balance?
No, Koi Defender will not harm your biofilter. It's designed to be safe for the entire pond ecosystem.

4. Do I need to change the water in my pond after treatment?
Water changes are not necessary during the treatment, but maintaining proper water quality through routine changes is recommended.

5. How does Koi Defender work against Aeromonas and Pseudomonas bacteria?
Koi Defender contains 1 billion active pathogenic fighting bacteria per mL that compete with Aeromonas and Pseudomonas bacteria for food, effectively starving and reducing these harmful pathogens.

6. Can I use Koi Defender in cold water temperatures?
Yes, Koi Defender can be used in water temperatures as low as 50°F. Adjust the dosage rate according to the water temperature for optimal results.

7. How do I know if my fish have bacterial infections?
Signs of bacterial infections include ulcerations, redness, irritated skin, fin, tail, or mouth rot. If you notice any of these symptoms, treat your pond with Koi Defender immediately.

8. How long does it take to see results after using Koi Defender?
You may notice improvements within a few days, but full effectiveness can take a week or more. Follow the recommended treatment duration for best results.

9. Where can I purchase Koi Defender Pathogenic Bacterial Control?
Koi Defender is available through authorized KOI PHARMA dealers and select online retailers. Ensure you purchase from a reputable source to guarantee you're getting an authentic product.



Directions for use

Initial Dosage:

  1. Preparation: Shake the bottle well before use and turn off your UV light for the first 3 treatments.
  2. Application: Add 4 teaspoons (tsp) [20 mL] of Koi Pharma® Koi Defender per 1,000 gallons of water every 3 days for 3 treatments.
  3. Follow-Up: After the initial treatments, add 4 tsp [20 mL] of Koi Pharma® Koi Defender per 1,000 gallons of water once a week for 2 weeks.

Maintenance Dosage

  • Add 2 tsp [10 mL] per 1,000 gallons of water once a week to maintain water quality and fish health.

Dosage By Water Temperature

  • 50°F - 62°F: Double (2x) the dosage rate.
  • 63°F - 69ºF: Use 1.5x the dosage rate.
  • 69ºF and Higher: Follow the normal dosage rate as listed above.

Optimal Water Parameters

  • pH: 7 - 9
  • Total Alkalinity: 80 ppm or higher
  • Temperature: 50°F and Higher

Shipping Policy

All of the Marquis Gardens items are manufactured and/or stained to order and are considered Special Order

Most of the Marquis Gardens items are shipped within 1-2 days. Some exceptions apply. To get an accurate lead time estimate for any particular item, please feel free to contact customer service at sales@marquisgardens.ca.

All of the items weighing over 150 lbs (or greater than 20 cu.ft.) are shipped via residential truck delivery service. The trucking company will deliver your order, securely packed on a wooden pallet, curbside or to your driveway.

Please inspect the items received and note any damages on the delivery documents provided by the delivery driver. If you have discovered damage to your item(s) upon opening the shipment, please let us know immediately, as the carrier might not take responsibility for the damages after 24-48 hours from the drop off time.

For more details, please refer to our full Shipping Policy: https://marquisgardens.ca/policies/shipping-policy.

Return Policy

If you wish to return your order in full or in part after it has been delivered, please notify customer support at sales@marquisgardens.ca within 14 calendar days from the order delivery date.

Please be advised, if you wish to return your order after you have received it, you are liable for both original and return shipping-related costs, as well as a credit card processing fee (3% on the refund amount).

If we cut the item to the size or otherwise customize for your order, we, unfortunately, cannot offer a return/cancellation/refund for such items. These items include, but are not limited to EPDM liner, underlayment, pipe, tubing, wire, aggregates, custom cut sheer descents, items with custom finish or color.

For more details, please refer to our full Shipping Policy: https://marquisgardens.ca/policies/refund-policy.

If your Item arrives damaged/defective or you are not satisfied with your order, please contact our sales team at sales@marquisgardens.ca as soon as possible.

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