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  1. #1
    Senior Member Rank = Mature Champion smartin's Avatar
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    2 out of 3 covers on

    With night temps dropping down to 6c i have put on 2 covers leaving one third of the pond exposed, has helped to slow down the temp loss, temp at 18 to 19c currently, ashp kicking in once a day, Will be dropping temp down a degree every 2 days until it balances with ambient temps.


    2200 gallons,infinity window,BD
    Evolve 4k combi,amalgam UV
    2x20k pondxpert, Skimmer,
    shower,ASHP

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  3. #2
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by smartin View Post
    With night temps dropping down to 6c i have put on 2 covers leaving one third of the pond exposed, has helped to slow down the temp loss, temp at 18 to 19c currently, ashp kicking in once a day, Will be dropping temp down a degree every 2 days until it balances with ambient temps.
    are you taking the covers off again during the day once you are down to ambient?

    i've got my covers on but just overnight, not ready to give up the pond in the day yet
    currently i'm at 23C but only using the electro heater on economy 7 for 7 hours @ £1.47 a day...
    which i will just pony up for another month or so, it's just too expensive on the full tariff.

    then at the end of october i'll slowly drop the temp down to ambient too, and leave the covers on.
    Last edited by davethefish1; 19-09-2022 at 02:50 PM.

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    Senior Member Rank = Grand Champion samp09's Avatar
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    I have mine on, been using the heater the last 3 days to get back over 20 as has been dropping to 19.8/19.9 overnight. Used the heater for about 4 hours a day to take me to around 20.5 then turning off costing me about £5 a day. 18 tomorrow and 20 the few days following so will hopefully manage to keep it over 20 till the end of the week but may be the end of the 20s for me from the end of the week!

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  7. #4
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by samp09 View Post
    I have mine on, been using the heater the last 3 days to get back over 20 as has been dropping to 19.8/19.9 overnight. Used the heater for about 4 hours a day to take me to around 20.5 then turning off costing me about £5 a day. 18 tomorrow and 20 the few days following so will hopefully manage to keep it over 20 till the end of the week but may be the end of the 20s for me from the end of the week!
    what heater are you using for 4 hours at £5 a day

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    Senior Member Rank = Grand Champion samp09's Avatar
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    3kw cloverleaf style one, well I guess its about 90p an hour so maybe a little less, not a great deal tho!

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    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by samp09 View Post
    3kw cloverleaf style one, well I guess its about 90p an hour so maybe a little less, not a great deal tho!
    Fixing the stat may help lol

    Sent from my SM-G973F using Tapatalk
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    "we are water keepers first"

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  12. #7
    Senior Member Rank = Grand Champion samp09's Avatar
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    Quote Originally Posted by Ajm View Post
    Fixing the stat may help lol

    Haha, you aren't wrong, I am worried I'll balls it up when I do it that's the only reason I haven't yet. Will do it Friday when I do the water change and dreaded scrapes!!

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  14. #8
    Senior Member Rank = Mature Champion smartin's Avatar
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    I am leaving 2 covers on 24/7 with just the front 30% open, i also cover the window at night only, dropped ASHP to 18.5c so once water temp has dropped to 17.5c it comes on which is every 30 hours or so and heats back to 18.5c ..... happy with that, once ambient really drops away i will put the front cover on and leave it on all the time, looking to run around 14c all winter.....will see how much it costs once we have the new increases..... if it gets too silly i might properly winterise the pond
    2200 gallons,infinity window,BD
    Evolve 4k combi,amalgam UV
    2x20k pondxpert, Skimmer,
    shower,ASHP

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  16. #9
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by smartin View Post
    I am leaving 2 covers on 24/7 with just the front 30% open, i also cover the window at night only, dropped ASHP to 18.5c so once water temp has dropped to 17.5c it comes on which is every 30 hours or so and heats back to 18.5c ..... happy with that, once ambient really drops away i will put the front cover on and leave it on all the time, looking to run around 14c all winter.....will see how much it costs once we have the new increases..... if it gets too silly i might properly winterise the pond
    that reminds me need to get my celotex window cover from behind the cabin...

    I had my pond covered, no heating, and natually held @11C - 12C last winter

    Have a look at Ricky's thoughts on winter temperatures,
    basically 8C-12Cmax or over 18C
    between 12-18C parasites and bacteria are more active, but koi's immune system is not up to snuff.

    @ 45:30 in


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