100 sq feet fish pond in the garden which needs cleaning system?
The pond is located outside the verandah and is only 50% covered by a sloping tiled roof. I have about 5 -7 Koi carp fishes. In addition, there are around 25-30 mollies and 30 of their new babies.I feed them food pellets every morning.
There are few plants in there as well, kept in pots and then placed in the pond. There is a landscaped garden around the pond and rain water does flow through the lawn into the pond in addition to the rain water falling from the edge of the sloping tiled roof. I have tried to partly screen the pond with tall grass and other plants. Every 15-20 days I have to pump out the water and keep the fish in a bucket and painstakingly clean the pond but within a weeks time the water gets murky and filled with algae so dense that it is difficult to see the fishes unless they are at the surface. I could attach pics later. I need suggestions on how to use a filtration system to keep the pond clean and adda small waterfall.
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Bedouman says:
December 9th, 2009 at 3:13 pm
You dont say what is the problem blanket weed, dirty water.
You can add a uv system which will help but not completely cure,
if rain water is flowing from the ground into the pond making dirty water, dig all around the area from where the water is flowing put a pvc membrane in back fill with gravel so that water is stored in that location and add some bog plants.
I you keep draining the pond water you are not giving the pond time to establish its balance.
add a bio filter with a water fall system, on the return to the pond chanel the water with a lined gulley fill with smalll stones which will filter the return water.
If blanket weed is in pond, at a suppliers you can buy small straw bales that you float in the pond and believe it or not it works as i have had the same troubles in england.
Baracquel says:
December 11th, 2009 at 8:10 am
I have a 210 gallon pond in our backyard that is about 90% exposed into the outside world (it’s being protected by garden plants around it)
We’ve never had this problem before because we have a waterfall at the back of it. The water fall is obviously a wall. It is a wall covered (decorated, to be more accurate) by natural rocks. we cycle the pond twice a day and add water to it everyday to make up for the loss of water due to evaporation.
The waterfall if the main filter of the pond. water flows down the natural rocks hence enticing algea and other dirty stuff to cling to it, leaving only clean water to flow back down in the pond.
In the more than 5 years we;ve had the pond, it only underwent one majo clean up because all the fishes died (thanks to my obnoxiously large snakehead who ate all of my other big fishes). Now, it is a home to peaceful carps and kois.