Crystal Blue Tsunami DQ Aquatic Herbicide — Gallon, 37.3% Diquat Dibromide, Fast-Acting Pond & Lake Weed Control

Overview

Crystal Blue Tsunami DQ is a concentrated aquatic herbicide designed to help manage a variety of unwanted aquatic plants and algae in lakes and ponds. Its 37.3% diquat dibromide formulation targets both floating and submerged vegetation, as well as some emergent growth, with the aim of supporting a clearer, healthier water environment.

What it targets

This product is formulated to address a broad spectrum of common aquatic weeds. In real-world use, it can help with species such as duckweed, watermeal, curly leaf pondweed, pondweed, and other widespread contributors to weed density. The result is a more navigable, aesthetically pleasing waterbody and more room for water activities where permitted.

• Duckweed and watermeal suppression
• Pondweed species, including curly leaf varieties
• Emergent and some submerged aquatic vegetation

Key benefits

• Fast-acting formula: Rapid action helps address problem patches in a shorter time frame.
• Broad-spectrum control: Effective against a range of floating, submerged, and emerged weeds.
• Water-friendly when used as directed: Designed to coexist with aquatic life when labels are followed.
• Easy application: Ready-to-mix concentrate compatible with standard sprayers for targeted treatment.

Usage and considerations

Before use, note the state restrictions shown on the product label. The product is not for sale in the following states: AZ, CA, CT, ME, MN, NH, NJ, NY, OR, VT, WA. Follow label directions for application rates, timing, and safety precautions to help protect water quality.

How to apply

• Identify weed-dense zones and plan targeted treatments.
• Mix the concentrate per label instructions and apply with a sprayer to the identified areas.
• Check the treated zones after an interval and re-treat if necessary, following all regulatory guidelines.

Real-world use cases often involve seasonal weed blooms that affect water aesthetics and usability. Tsunami DQ offers a practical option for managers and homeowners seeking a proactive approach to aquatic weed management, without making guarantees about results in every scenario.