Inherited a pond. - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 03-27-2014, 06:50 PM Thread Starter
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Inherited a pond.

My wife and I bought a home that came with a nice pond in the back yard. We have Been in the home for a few years and the last two we noticed algae growing on the entire bottom of it. It seems to be a short green growing algae. There is a filter in it which is just two large pads, one blue ane black, a water fall and a fountain. There is no lighting init other then the sun during the day. I would love to know how to get rid of the algae without using anything toxic, our dogs enjoy the water when they are trusty. There are about a dozen goldfish give or take and three koa. I measured as best as I can and it is approxamently 400 gallons. Any advise will be greatly appreciated.
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post #2 of 5 Old 03-27-2014, 07:50 PM
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if it is not blocking your view of the pond (green water) it is a sign of a healthy system. the fish feed on it and it helps to keep nitrates down. if you do not like the looks of it and just want it gone,there are a few steps you can take...

adding a sun shade or adding floating plants to shade the water.

adding pond snails. a good natural way to take care of the algae.

get a better filter or double up on filter maintenance.

add more water movement by adding either a bubbler or a fountain.

add barley balls where there is alot of water movement.when they break down they give off hydrogen peroxide. h2o2 is a gentle algaecide when used correctly. info on

make sure you are not overfeeding your fish.

bettas-goldfish-shrimp-snails-planted tanks

Last edited by sandybottom; 03-27-2014 at 07:58 PM.
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post #3 of 5 Old 03-28-2014, 06:03 PM Thread Starter
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Well, it sounds like everything is working as it should. If ain't broke, don't fix it! Thanks for the info!
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post #4 of 5 Old 03-28-2014, 10:08 PM
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Sandy has the right idea. Algae in a pond is really to be expected and natural. I've since really given up trying to heavily combat it. Floating plants and shade are the only things I really use nowadays. Keeps it down to a minimum.

One thing, tho. You might want to clean out that filter. I generally give mine a good clean once a year. It can collect gunk which the algae feed on. It's a good idea to do it when pond plants are growing strong, so they can soak up any additional ammonia that may be created from cleaning the filter (if you don't have biological media).


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post #5 of 5 Old 03-29-2014, 05:36 AM Thread Starter
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I clean the filter about once a month. It gets so much build up it effects the operation of the fountain. I do have lily pads , some type of small bamboo and some other type of green plants. Sorry, I'm not really sure of the names of the plants. All I know is it grows and it looks really nice during the summer. We also get a frog or a turtle that usually stays for the summer as well. And the birds love to hang out and take a bath in the water fall. Thanks again for the advise!
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