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  1. #21
    Member Rank = Tosai Selina127's Avatar
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    I found the paperwork - the pump is Oase Aquamax ECO but not sure which model. The filters are the Oasis Clear Pond and a Fish Mate 30000 P-UV. The air pump is a Blagdon KOI AIR. The waterfall is about 8-12 ins abovr the water line. The pump is at the end of the pond so 6 metres away from the filters and waterfall. The pond is approx 1.5 metres deep in the middle.
    All these were in place when we moved here. We have washed the filters in pond water to keep the foams clean, added extra air bricks so we now have 3 in the pond and 2 in the filter, and added extra bio bombs when we replenished the pond water.The water was clearer (not completely clear) after the water change but reverted back to green after about a month.

    Quote Originally Posted by Ajm View Post
    Am still learning belive me . Do you know what size pumps you have running ? How far they are pumping to filters/pond return . And height they are pumping ie how high is the waterfall

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  3. #22
    Member Rank = Tosai Selina127's Avatar
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    Thanks for the suggestion - All the bulbs were replaced in September and we are replacing them again in spring when the weather gets better and the fish wake up.

    Quote Originally Posted by Mikeh83 View Post
    Just a thought.. you mentioned that you inherited the pond back in April 2019. Have you changed the UV bulbs?

    I know that I was not aware they have a effective life of around 6 months. Even if the bulb is lit this does not mean it is doing the job is is designed for and likely the cause of the green water.


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