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Is there an ideal temperature to treat algae? | Pond & Lake Q&A


Is there an ideal temperature to treat algae?

Is there an ideal temperature to treat algae?

Crystal – New Baltimore, MI

It depends what you mean by the word “treat.” If you’re looking to throw a party in its honor, pretty much any temperature will do – because algae grows all year ‘round, even during the winter months. But if you’re hoping to give it the kind of treatment that makes it feel extremely unwelcome, you’ll see the best results when water temperatures are at 50 degrees Fahrenheit or higher. When water is warmer, algae tends to thrive. Because it’s thriving, it’s feeding – making it much more susceptible to algaecides.

Because very few of our customers express interest in enhancing algae growth, we’ll assume most readers are in the latter category. And if you are, we have a variety of highly effective options to accomplish your objectives. Pond Logic Algae Defense Algaecide with Cide-Kick™ is among our safest, most effective weapons in the battle against algae. Algae Defense is a fast-acting aquatic algaecide, and it’s highly effective at eliminating a broad spectrum of pond algae. By including Cide-Kick, which breaks down algae’s natural defenses, this combination packs a particularly effective double-whammy, and makes short work of offending algae blooms.

For spot-treatment of algae growth, we also recommend Applied Biochemists Cutrine®-Plus Granular Algaecide. Formulated to make quick work of both surface and bottom-forming algae, this safe, powerful algaecide does double-duty by both killing existing algae, and inhibiting its future growth.

While some pond owners prefer to eschew algaecide and rake algae out manually, the raking-only approach requires much more maintenance and attention. Algae are extremely hearty, and raking leaves trace amounts in the pond, allowing for recurrent blooms. For longer-lasting impact, the ideal treatment includes the use of algaecides, followed by cutting with our Aquatic Weed Cutter, raking with our Aquatic Weed Rake, and follow-up treatment with natural bacteria to break down any remaining muck.

Give your algae the treatment they deserve before temperatures start to fall – and start next season with a leg up on their plans for next year’s invasion.

Pond Talk: What method of treatment have you used to maintain algae?

Algae Defense

3 Responses

  1. Duck weed…Heelllllppppppp! It’s driving me crazy. What to do?

    • Hi Peter,

      If your pond is enclosed with no outlets then whitecap is your best bet for a longer term control. The entire pond will need to be treated. Other contact chemicals such as Pond Weed Defense will also provide some temporary relief if whitecap isn’t an option. Aeration and reduction in muck will also help in the long term battle for the overall health of the pond.

  2. I PICKED MY 4″ KOI UP IN JAPAN AT GROWER-1996, THEY SAID NOT TO TREAT FOR ALGAE BLOOM IN THE SPRING AS THE KOI NEED THE VITIMAN C & OMEGA 3 FROM THE ALGAE TO GIVE THE KOI STOMACHS A GOOD CLEANING OUT & TO GET THE PROPER BACTERIAL GROWING-The KOI have always cleared the pond of algae in about 7 to 10 days.THE PRESENT 13 KOI KNOW ARE 22″ TO 26″ LONG & THE POND IS VERY CLEAR-HAS NEVER HAD A CHEMICAL PUT IN-POND IS 16 FT LG X 6 FT AT IT WIDEST-LOST ONLY ONE KOI TO BLUE HERON UNTIL I PUT 2 FT APART WIRES OVERHEAD.IN THE 15 FT X 30 FT COURTYD-JAPAN GROWER SAID NEVER TO FEED KOI CORN- NO CORN IN FOOD =NO KOI PROBLEM WITH STOMACH AND HEALTH & HAVE AN OVERSIZE FILTER – I USE 150 GALLON RUBBERMAID TANK FILTER.

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