CrystalClear
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CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon
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CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon
All Natural, Safe for Fish Plants & The Pond's Ecosystem
CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon
Item #: 40289028

CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon

Item #: 40289028

BTN 8912

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All Natural, Safe for Fish Plants & The Pond's Ecosystem
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What Stands Out

All-Natural Formula
Uses eco-friendly ingredients that are safe for fish and plants, unlike harsh chemicals found in other treatments, ensuring a safe aquatic environment while effectively treating various fish ailments.
Effective Disease Control
Targets common fish diseases with proven effectiveness, offering peace of mind for fish owners looking to quickly restore health and vitality to their aquatic pets without compromising water quality.
Large Quantity
Comes in a generous 1-gallon size, providing great value and longevity for regular fish tank maintenance, making it an economical choice for hobbyists and professional aquarists alike.

Product Details

Get CrystalClear Knockout Plus Fish Treatment - 1 Gallon at Ubuy Bhutan. All natural fish treatment for a healthier aquarium. Fast shipping and easy returns.
Brand NameCrystalClear
Unit Count128 Fluid Ounces
ManufacturerAirmax, Inc.
UPC811262017275
Included ComponentsCrystalClear KnockOut Plus
Model NumberCC136-1g
Manufacturer Part NumberCC136-1G
Liquid Volume1 gallons
Item FormLiquid
Target SpeciesFish
BrandCrystalClear
Item Weight8.34 lbs (3.78 kg)

Who Should Buy?

Suitable For
  • Aquarium Enthusiasts

    Ideal for fish owners seeking a natural solution for treating common aquatic diseases without harmful chemicals.

  • Health-Conscious Keepers

    Perfect for individuals who prioritize eco-friendly products and want to maintain a healthy environment for fish.

  • Large Tanks

    Designed for larger aquarium setups, providing a sufficient volume to treat extensive infestations effectively.

Not Suitable For
  • Fish Breeders

    Not suitable for breeding environments, as some treatments might stress fish or inhibit reproduction.

Product Description

CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is CrystalClear Knockout Plus All Natural Fish Treatment used for?

    Answer: CrystalClear Knockout Plus is designed to effectively combat and eliminate common fish diseases and parasites. It contains all-natural ingredients that help restore a healthy aquatic environment, making it safe for both fish and plants. This product is particularly effective against issues like ich, fungus, and other ailments that can harm fish health. Users often apply it in situations where fish show stress or unusual behavior, providing a holistic treatment solution that ensures both the wellbeing of their aquatic life and the cleanliness of their aquarium.
  • Question: How do I use CrystalClear Knockout Plus in my aquarium?

    Answer: To use CrystalClear Knockout Plus, first ensure that you remove any activated carbon from your filter, as it can reduce the effectiveness of the treatment. Then, shake the bottle well and add the recommended dosage directly into your aquarium water. Monitor your fish closely after application, especially for the first 24 hours, to ensure that they are responding positively. This treatment is commonly used during outbreaks, making it an essential part of maintaining fish health during stressful times.
  • Question: Is CrystalClear Knockout Plus safe for all types of fish?

    Answer: Yes, CrystalClear Knockout Plus is specifically formulated to be safe for most freshwater and saltwater fish species. Its all-natural composition reduces the risk of adverse reactions, making it suitable for enthusiasts who keep diverse aquariums. However, it's always advisable to check the specific needs of each species in your tank before treatment, ensuring that no individual fish has unique sensitivities that could affect their health.
  • Question: Can I use CrystalClear Knockout Plus with other treatments?

    Answer: It’s essential to avoid mixing treatments unless specifically recommended by the manufacturer. Using CrystalClear Knockout Plus alongside other medications can lead to chemical interactions that may harm your fish or reduce the efficacy of both products. Always read guidelines or consult with an aquatic expert to prevent potential complications when combining treatments for your aquarium, ensuring a safe environment for your fish.
  • Question: How often can I apply CrystalClear Knockout Plus?

    Answer: Typically, CrystalClear Knockout Plus can be applied as needed, especially during an outbreak of diseases. Many users observe fish for about a week after initial treatment to assess progress before considering a second application. It's essential to follow the instructions provided on the label for dosages and intervals, avoiding overuse as it could stress the aquatic environment. Regular observation will help dictate the right timing for further treatments and ensure your fish remain healthy.
  • Question: What makes CrystalClear Knockout Plus different from other fish treatments?

    Answer: CrystalClear Knockout Plus stands out due to its all-natural formulation that not only treats illnesses effectively but also promotes an overall healthy ecosystem in your aquarium. Unlike some chemical-heavy medications, this product uses natural ingredients to minimize stress on fish and aquatic plants while targeting common ailments. This characteristic appeals to eco-conscious aquarium enthusiasts who prioritize both fish health and the well-being of their tank environment.
  • Question: How long does it take to see results with CrystalClear Knockout Plus?

    Answer: Many users report noticeable improvements in fish health within a few days of applying CrystalClear Knockout Plus. However, the timeframe can vary depending on the severity of the issue being treated and the species involved. It's vital to monitor your fish’s behavior and overall condition regularly, as early indication of recovery, such as increased activity or better appetite, can guide your decision-making about future treatments or adjustments in care.
  • Question: Is there a specific storage instruction for CrystalClear Knockout Plus?

    Answer: Yes, it is important to store CrystalClear Knockout Plus in a cool, dry place away from direct sunlight. Keeping the product in its original container with the cap tightly closed will help maintain its effectiveness. Adhering to these storage guidelines is crucial for preserving the quality of the treatment, ensuring that it remains potent when you need to use it for your aquarium.
  • Question: Where can I buy CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon?

    Answer: You can purchase CrystalClear Knockout Plus All Natural Fish Treatment - 1 Gallon from Ubuy. They offer a wide selection of aquarium products, making it a convenient choice for finding this treatment in Bhutan. Shopping through Ubuy ensures that you get a reputable product alongside customer support to assist with your aquatic care needs.

CrystalClear Medication & Health Supplies CC136-1g Editorial Review

CrystalClear Knockout Plus All Natural Fish Treatment is an all-natural product that can be used as a preventative treatment for ponds as well as a remedy for fish infections. It is recommended to turn off UV light filters during treatment and not to overdo it, and Consistent treatment for 7 to 10 days is encouraged. The product may cause water to turn brown, requiring regular water changes during treatment. While some customers have reported successful results, others had mixed experiences, with some reporting fish deaths and others reporting no improvement in fish infections. Overall, the product has a mix of positive and negative customer feedback.

Customer Reviews & Ratings

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Pros

  • All-natural product
  • Successful preventative treatment for some customers
  • Can be effective in treating certain fish infections

Cons

  • May cause water to turn brown

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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BTN 8912

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • 7-day fish treatment for effective results.
  • Treats ick, fungal infections, and single-celled parasites.
  • Formulated with all natural ingredients.
  • Safe for fish, plants, and the pond's ecosystem.
  • Prevents future infections to keep your pond healthy.
  • 1 gallon can treat up to 1,000 gallons of water.

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