We are very sorry but due to another Frontier communications Outage - our phones are down. We are still shipping orders and we will reply to inquiries via email. support@123ponds.com - Thank you for your patience!

Customer Service 1.866.426.7663 Monday - Friday 10AM - 4PM EST    shipping info | privacy policy | help
Pond & Waterfall Pumps, Water Gardening Supplies and so much more!
Product Categories

Ponding 101
Did You Know?
more info >
A biological pond filter is beneficial for every pond, with or without fish. View our pond filters today!

Pond Fish Treatment (Formerly DesaFin) by Tetra - Treats common pond fish diseases. 16.9oz. Bottle - 16382

Item #: 
Suggested Retail: $22.00
Our Price: Only $14.30
You save: 35%
Availability: Usually ships the same business day Estimated Delivery Date
Stock Status:
Order Quantity:
This item is currently unavailable

Pond Fish Treatment (Formerly DesaFin) by Tetra - Treats common pond fish diseases. 16.9oz. Bottle - 16382

Product Features
Product Reviews
Out of Stock Discontinued by the manufacturer

Tetra Pond Pond Fish Treatment

Protects goldfish and Koi against infection by destroying harmful parasites, bacteria and fungus.


  • Treats and prevents pond fish diseases
  • Helps Controls external parasites, bacterial and fungus that cause infections.
  • Helps fight Ick
  • Treats Koi and Goldfish infected by protozoan parasites including: Icthyophthirius multifillis (ICK or white spots), Costia Cilodonella and Trichodina.
  • Formerly known as DesaFin
  • Bottle includes a convenient dosing cap.

Active Ingredients:

Formaldehyde, Quinine-hydrochloride.

Directions for Use:

  • 10 ml (0.34 Oz) for every 50 Gallons of tap water.
  • 1/4 Cup (60 ml or 2.03 oz) for every 300 gallons of pond water.

  • Dilute:
  • Dilute the proper dosage in a bucket of water. Pour diluted mixture into the pond or fountain evenly along the edge and in the middle.

  • Stir:
  • Stir the water with hose spray or stick to further distribute the solution throughout the pond.

  • Prevention:
  • Prevention dose the pond in Spring (when water temperature exceeds 53° F or 12° C) and again in summer to prevent hidden diseases and infections.

  • Treatment of Infections:
  • When signs of infection and disease or infection are present, dose the pond immediately.

  • Re-Dose: Re-dose after 7 days if signs of infection and disease are still present.
  • 10 ml (0.34 Oz) for every 50 Gallons of pond water.

  • For ornamental pond only.
  • Do NOT use in ponds containing fish which are intended for human consumption
  • Do NOT use in combination with other pond treatments
  • Store only in a cool dark place

  • See Product Label for Full Directions and Warnings.

Mfg Part #: 16382
Brand Name: TetraPond
Product Type: Pond Fish Treatment
Treats up to: 2,500 Gal (9,460 Liters)
Bottle Size: 16.9 fl oz (500 ml)

Exclusive Offers & Savings
Join our mailing list & SAVE!

Courteous, knowledgeable and professional sales personnel
Brand new and factory fresh merchandise
Thousands of satisfied customers
Huge stock levels - 99.8% In stock
Quality name brand products
Competitive pricing
Free Eco-Saver Shipping on orders $99+
Price Match Guarantee
128-Bit SSL Encryption

Pond Fish Treatment (Formerly DesaFin) by Tetra - Treats common pond fish diseases. 16.9oz. Bottle - 16382