
1 qt Super Black Algaecide Bottle
Product Overview
A proven choice for penetrating stubborn black algae colonies and persistent bloom cycles.
Formulated specifically to eradicate entrenched growth, Regal Super Black Algaecide utilizes a chelated copper complex (7.41% Copper Triethanolamine Complex) in a 1 QUART bottle to cut through the waxy protective layer of black algae. Unlike standard quat treatments that foam or break down quickly under direct sunlight, this chelated formula stays suspended in solution to continuously sanitize plaster, pebble, and tile lines without disrupting your water balance.
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Benefits & What Makes It Different
Chelated Copper Chemistry
Penetrates deep into the cellular matrix of black and mustard algae without causing water cloudiness or rapid drop-out.
Non-Foaming Formulation
Safe for use in high-aeration systems including swimming pools with attached spas, swim jets, and water features.
Zero Effect on Water Balance
Will not elevate cyanuric acid, alter total alkalinity (80–120 ppm), or skew calcium hardness (200–400 ppm) levels.
Product Details
Copper Triethanolamine Complex 7.41% (Elemental Copper equivalent 0.74%)
Initial/Severe: 12–24 fl oz per 10,000 gallons; Maintenance: 2–4 fl oz per 10,000 gallons every 14 days
Compatibility
- Compatible with chlorine, bromine, salt chlorine generators, and mineral systems
- Do not dose simultaneously with non-chelated metal sequestering agents as they may deactivate the algaecide
- Maintain pH between 7.2–7.6 to prevent metal precipitation
When To Use This
Pro Tip
Black algae forms a protective waxy crust that chemical treatments cannot easily penetrate on their own. Always brush the spots aggressively with a stainless steel wire brush (on plaster) or stiff nylon brush (on vinyl/fiberglass) immediately before pouring this treatment directly over the colonies with the pump running.
Common Questions & Instructions
How much Regal Super Black Algaecide should I add for severe black algae?
For severe black algae infestations, apply 12 to 24 fluid ounces per 10,000 gallons of pool water directly around the affected areas after thoroughly wire-brushing the algae heads. For routine prevention, use 2 to 4 fluid ounces per 10,000 gallons every two weeks.
Will this copper-based algaecide stain pool plaster or vinyl liners?
Because the copper is chelated with triethanolamine, it remains sequestered in solution and will not cause staining when your pH is maintained within the ideal 7.2–7.6 range and total alkalinity sits between 80–120 ppm.
How soon after adding Regal Super Black Algaecide can swimmers enter the pool?
Allow the pool filter to run and circulate the water for at least 15 to 30 minutes after application. Ensure free chlorine is within the standard 1–3 ppm range before swimming resumes.
Delivered today to your DFW neighborhood
Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.



