What can I put in my pond for algae?

Asked By: Luiza De Lucio | Last Updated: 6th May, 2020
Category: pets fish and aquariums
4.6/5 (140 Views . 34 Votes)
This is perhaps the simplest, long-term solution to keeping water clean and clear. Floating plants, such as lilies and lotus, provide shade and reduce direct sunlight in the pond to control the growth of algae. Add submerged plants that release oxygen to the water, such as anacharis, hornwort and parrot's feather.

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Similarly, it is asked, how do you get rid of algae in a pond?

To get rid of algae in a pond, try planting more aquatic plants in your pond, like lily pads, cattails, or watercress, which will absorb the nutrients that algae needs to grow. You can also throw a small bale of barley straw into your pond, which will slowly kill any algae over the course of a few weeks while it rots.

Likewise, how do you skim algae from a pond? You can control its growth by skimming it off the surface of your pond.

  1. Skim the moss off the pond by running a rake across the surface.
  2. Put the moss into the bucket by holding the end of the rake with the moss over the bucket and giving it a strong shake.

Similarly, it is asked, does vinegar kill algae in ponds?

A solution of diluted bleach with one part bleach to nine parts water can help kill and prevent algae. Another option is to use a mix of white vinegar and water. Vinegar is safe and is effective on algae. Rinse the fountain thoroughly after cleaning it.

How do I get rid of algae in my pond naturally?

This is perhaps the simplest, long-term solution to keeping water clean and clear. Floating plants, such as lilies and lotus, provide shade and reduce direct sunlight in the pond to control the growth of algae. Add submerged plants that release oxygen to the water, such as anacharis, hornwort and parrot's feather.

22 Related Question Answers Found

How do I stop my pond going green?

Keep your pond from going green by using proper pond management principles and, as a last resort, chemicals that kill algae blooms.
  1. Keep livestock and pets away from your pond by using fences, trellises, hedges or similar barriers.
  2. Avoid or minimize the use of plant fertilizer around your garden pond.

Is hydrogen peroxide safe for fish ponds?

Using hydrogen peroxide in a pond to remove algae blooms is a natural and safe method to control algae infestations and preserve other aquatic life in the pond. Chemical algaecides, on the other hand, destroy life indiscriminately and can harm or kill fish and other plants.

How do I keep my pond algae free?

To Summarize:
  1. Keep the organic load down by keeping runoff out of the pond and the sludge to a minimum.
  2. Don't over feed or keep more fish than your pond will support.
  3. Install a large biological filter and give it time to work, this could take several months.
  4. Use enough, and the right type of, aquatic plants .

How long can pond fish go without food?

The short answer would be a yes. Most grown up fish can handle 2 weeks diet. They have stock by themselves, and they will find some natural food in the pond.

Why does my pond have so much algae?


Green water and string algae are a common problem for many pond hobbyists. Algae is a result of an imbalance in your pond's ecosystem. When too many nutrients caused by decomposing plant material, fish waste, or other debris build-ups in your water garden, algae will flourish because the nutrients act as a fertilizer.

Is it good to have algae in your pond?

The Good: Algae is not harmful to your pond or water feature. Algae actually performs a necessary and important role, just like any other plant in your pond -that is to absorb nitrates, which is what's left in the water after your pond's beneficial bacteria are finished degrading fish and plant waste.

Do copper pennies prevent algae?

Prevent Algae from Growing in Your Birdbath. To keep algae growth from your bird bath drop some pre-1982 copper pennies in. The reason for the pennies being pre-1982 is that before that year, the pennies contained copper, a natural algicide.

What is the best algae killer for ponds?

Best Pond Algaecide & Pond Algae Killer In 2020 (Safe For Fish)
  • GreenClean Algaecide.
  • Cutrine Plus Algaecide.
  • API Pond ALGAEFIX Algae Control.
  • TotalPond Algaecide.

Does baking soda kill algae in ponds?

Bicarbonate, the active ingredient in the baking soda, is an effective spot treatment to help to kill the algae and loosen it from the wall. Then, it's time to start scrubbing!

What chemicals kill algae in ponds?


For pond algae or lake algae control, we recommend the copper based algaecide Mizzen® to help control nearly all types of Planktonic Algae, Filamentus Algae, and Chara. Mizzen® is an EPA approved algaecide that is safe for most fish, however, it is not recommended for use where there are Koi, Trout or Channel Catfish.

Why does barley straw clear ponds?

Barley straw prevents the growth of algae. It does not kill existing algae. Because of this action, it is sometimes called an algistat as opposed to an algicide. It is believed that the decaying straw releases chemicals that inhibit the growth of algae.

Will Salt kill algae in a pond?

Salt can be used to disinfect new fish and plants before putting them in your pond. A 10-15 second dip in a 5 gallons of water with 1 pound of salt will kill parasites and algae on fish and plants. Salt kills the algae and neutralizes nitrates that feed the algae.

How do I get rid of green hair algae in my pond?

Luckily, there are several great ways to get rid of green hair algae in a backyard pond.
  1. Use a long stick or net to remove as much green hair algae as you can from your pond mechanically.
  2. Adjust the pH of your pond water so it is between 7.0 and 8.0.
  3. Remove excess organic material from the bottom of you backyard pond.

Can I pour bleach in my pond?

If you have fish, turtles, plants or other life in your backyard pond, you should not use bleach in your pond. Bleach kills algae, bacteria and other things you don't want in your pond. However, it could also kill the fish, turtles and plants living there.

How do I clean a large pond?


In addition, decaying plant matter leaves a sludge at the bottom of the pond. To clean a pond, fish out string algae, treat the water with hydrogen peroxide or barley straw, maintain the pond with aeration, and remove plant debris with a pond vacuum or by pumping out the water.

Does algae float or sink?

The reason these clumps of algae float to the surface during the day & sink at night is simply due to photosynthesis. By day (as all plants do), the algae is producing oxygen.