90-Day Algicide

Long-lasting protection. Just one dose every 3 months

This 90-Day Algicide is a powerful, copper-based formula designed to kill and prevent all common types of pool algae — including black, blue-green, and mustard varieties. One treatment lasts up to 90 days, keeping your water clear and protected all season long.

The non-staining, slow-release formula is safe for all pool finishes and works alongside chlorine, bromine, and saltwater systems. It enhances sanitizer performance, reduces chlorine demand, and is ideal for routine maintenance in residential pools.

Product Highlights:

• Controls black, mustard, and blue-green algae

• One dose lasts up to 3 months

• Guaranteed non-staining when used in balanced water

• Boosts the effectiveness of chlorine and salt systems

• Safe for swimmers, surfaces, and most sanitizers

• Compatible with all common pool chemicals

• 16 oz. treats up to 10,000 gallons

Let’s keep Florida blue and beautiful.
At Chlor-Dash, we’re committed to doing our part for the planet — and our own backyard.  When you return your empty bottle, we’ll make sure it’s properly recycled, keeping plastic out of landfills and waterways. As a thank you, we’ll give you a discount on your refill! It’s a small step that adds up — for your pool, your wallet, and the community.
Just select “Yes” under “Returning an empty bottle?” to claim your savings.

Please note: your empty bottle must be left out and accessible for pickup at the time of delivery to qualify for the discount.