We aim to show you accurate product information. Manufacturers,
suppliers and others provide what you see here,
and we have not verified it.
Robelle Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Robelle Black Algaecide also helps clear up cloudy water. It does not affect pH, won’t stain surfaces or leave residue. This product is non-foaming and non-metallic. Use weekly to prevent algae growth. This product kills algae and clears the water in your swimming pool without requiring pool closing and without foaming. Directions for use when you have visible algae growth: 16 oz. of this product per 10,000 gallons of pool water. Initial treatment if water is clean: 9 oz. of this product per 10,000 gallons of pool water. Regular routine maintenance dose: 4 oz. of this product per 10,000 gallons of pool water weekly. Pools containing heavy algae growth must be cleaned prior to using this product. 24 hours after treating visible algae growth, algae debris must be removed by standard cleaning procedures. Dilute this product with at least nine parts water before applying. Pour required amount of this product into plastic watering can and fill with water. Maintaining constant pool circulation, sprinkle solution around the edge of the pool. Always apply chemicals separately. Never combine them.
For All Pool Types (Vinyl, Fiberglass, Concrete, Gunite, etc.)
The description says that the Robelle Black Algaecide---kills yellow algae, Black Algae & mustard Algae---It did not work----and we used both bottles.
Reviewed by KAYEKAYE
Get specific details about this product from customers who own it.
Ask a question
If you would like to share feedback with us about pricing, delivery or other customer service issues, please contact customer service directly.
Policies & Plans
US Deal Mall Protection Plans
Most items come with a limited manufacturer’s warranty. The addition of a US Deal Mall Protection Plan adds extra protection from the date of purchase. US Deal Mall Protection Plans cover the total cost of repair, or replacement, for products, as well as covering delivery charges for the exchange.
US Deal Mall Protection Plan options and pricing can be found on the product page, as well as in your cart. Go tousdealmall.com/protectionto see all the coverage offered for each product. You can view your US Deal Mall Protection Plan after your purchase in the US Deal Mall Protection Plan Hub.
Already purchased your product? A US Deal Mall Protection Plan can be added within 30 days of purchase.Click here to add a Plan.