Seachem ParaGuard, 2 Liter [Misc.]

Price: $57.32 - $51.99
(as of Sep 29, 2025 17:32:00 UTC – Details)

Introduction to Seachem ParaGuard

Seachem ParaGuard is a unique, fish and filter safe aldehyde-based parasite control product, containing 10% aldehydes by weight. It is specifically designed for use in both freshwater and saltwater aquariums. This product stands out for its effectiveness against a wide range of ectoparasites, including ich, and external fungal/bacterial infections such as fin rot, without containing formaldehyde or methanol, which can harm fish or alter the pH of the aquarium water.

Features

• Fish and Filter Safe: Seachem ParaGuard is designed to be safe for fish and filters, making it a reliable choice for aquarium owners.
• No Formaldehyde or Methanol: Unlike some other treatments, ParaGuard does not contain formaldehyde or methanol, reducing the risk of adverse effects on fish.
• pH Neutral: The product will not alter the pH of the aquarium water, which is crucial for maintaining a healthy environment for fish.
• Broad Spectrum Efficacy: Effective against many ectoparasites (e.g., ich) and external fungal/bacterial infections (e.g., fin rot).
• Useful in Various Aquarium Situations: Particularly useful in receiving tanks for new fish and whenever new fish are introduced to a community tank.

Pros

• Effective Parasite Control: Seachem ParaGuard has been shown to effectively eradicate many types of parasites and infections that can harm fish.
• Easy to Use: The product comes with clear dosage instructions, making it easy for aquarium owners to administer the correct amount.
• Safe for Fish and Filters: Its safety for fish and filters reduces the risk of accidental harm during treatment.
• High Customer Satisfaction: With a rating of 4.7 out of 5 stars from customer reviews, ParaGuard has proven to be a trusted and effective solution for many aquarium owners.

Cons

• Not Guaranteed Safe for Invertebrates and Plants: Seachem does not guarantee the safety of this product for invertebrates and plants, which may limit its use in aquariums with diverse populations.
• Daily Administration Required: The product may need to be administered daily as long as fish show no stress, which can be time-consuming and requires close monitoring of the fish.

Product Details

• Product Dimensions: 3 x 3 x 3 inches; 3.39 ounces
• Item Model Number: 116060806
• Date First Available: January 31, 2011
• Manufacturer: QUALITY PETS INC
• ASIN: B00BUFYA32
• Best Sellers Rank: #59,975 in Pet Supplies, #584 in Aquarium Water Treatments
• Customer Reviews: 4.7 out of 5 stars, 34 ratings

Usage Instructions

For effective use, one capful of Seachem ParaGuard should be added for every 10 gallons of aquarium water. This process can be repeated daily as required, provided the fish do not show signs of stress. The entire 500 ml bottle is capable of treating 1,000 gallons of water, making it a potentially cost-effective solution for aquarium parasite control.