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Thread: Cover yet ??

  1. #61
    yep deffinitely off, its dropped to 14 c this morning, well insulated

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  3. #62
    Extreme Koi Member Rank = Adult Champion pip895's Avatar
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    Quote Originally Posted by familyman View Post
    yep deffinitely off, its dropped to 14 c this morning, well insulated
    show-off
    6000g unheated in ground koi pond
    +3000g lily/Anoxic pond attached
    28 koi (40 to 65cm)
    Bottom drain & Skimmer to Drum
    JBR boichamber->Blue eco 500 pump ->below surface return.
    Blue Eco 240 -> Large MB -> Waterfall -> Planted Anoxic pond (25 baskets)

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  5. #63
    Moderator Rank = Grand Champion Feline's Avatar
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    I'm STILL not covered because I haven't managed to find a day this month yet where my OH is at home in daylight hours to help me lift the damn covers
    That said, the heat pump has managed fine so far. I'm slowly reducing the temperature now, and pond is at 13.5C. I've decided to go down to 8C for around 6 weeks before I start turning it up again. Ambient temps are going to be around 10-14C anyway this week so the heat pump won't need to do very much.
    Hopefully I will be able to get the OH to help me at the weekend. I need to make some adjustments to my covers to fit between the jump guard balustrade posts. Last year I just stuck the polycarbonate sheets on and weighed them down at the edges with a few concrete blocks. Was not pretty but did the job

    Snowpocalypse by Lara Day, on Flickr

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  7. #64
    Extreme Koi Member Rank = Grand Champion lee63's Avatar
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    Forgot a out this thread. I managed to get mine on last weekend with alot if help from the old man. I was tea boy really ha ha still got the top pond to cover and blade to box in but alls good.
    I used to bypass the top pond and blade but been a gravity return filter it was awkward stretching a 4” pipe across etc... so last year i kept it runnig and covered the blade and top pond all together with the pond.
    Frane work, its 4 inch high fence side and 2 inch path side so has a good run off

    Covers on

    You can see the turn buckles where 2x full sheets can slide back or lift out



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    Its always a work in progress

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  9. #65
    mines still at 13.5c, heat never been on, it was mild on thursday though.

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  11. #66
    Covered for the first time ever this year, went with 32mm triple wall as I’m not heated. Hopefully it will be worth the expense 8FC08874-86BF-4FB2-AC48-0364F14D60A4.jpg

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  13. #67
    Senior Member Rank = Hassai hippo's Avatar
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    For the last 2 years , I have kept my pond uncovered .

    Even though last winter was pretty harsh , the pond temp never dipped below 6 degrees . For the most part the fish remained active , and fed through the winter - albeit , very small ammounts of wheatgerm .

    I`d much rather look at my koi , than polycarbonate sheets .

    Each to their own , but it hasn't caused any issues with the fish .
    Colin

    2500 Gallon Fibreglass Pond
    Eazypod , Bio-Max 4 Bead , 18 Basket Anoxic

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  15. #68
    Pond temp now up to 10C so covered it ahead of the predicted cold spell coming.

    Far from pretty but at £8 for 100 metres of bubble wrap this will hopefully work out as a cheap solution.

    Can't believe I ran out before finishing the 3rd cover at the back so have got more coming tomorrow.

    IMG_20181202_154834.jpg

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  17. #69
    Extreme Koi Member Rank = Grand Champion lee63's Avatar
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    Should do the job bud Cover yet ??


    Sent from my iPhone using Tapatalk
    Its always a work in progress

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  19. #70
    Quote Originally Posted by lee63 View Post
    Should do the job bud Cover yet ??


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    I don't like not being able to see the Koi

    The cover is a pain to remove because its heavy and with the bubble wrap there's no holes to put my fingers in so I've had to make finger holes in the top layer to grab the mesh.

    One of my Koi has injured itself TWICE and both injuries are worrying to look at, scalped his head and there's a 1" flap of skin hanging off, then a couple of days later split his bottom lip leaving a 1/2" tear. His mouth is quite badly bruised. So I have to keep removing the cover fully to inspect him.

    On top of that one of them has managed to pull the bottom drain cover off and now its just sitting on the pond floor. Too cold to get in there so trying to just ignore it till I empty the pond for the extension.

    Funny how one day everything is perfect and the next it looks like a disaster.

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  21. #71
    yeah you really need some good clearance between the water surface and the pond covers, otherwise they will bash themselves, one way to reduce risk if your struggling for clearance height, is to put some of that fine garden netting stuff underneath your timbers, then if the fish jump, they just bounce off it.
    Its alright leaving your b.d cover off, as long as you dont have any small fish, because small ones will swim into it, and emerge in your filter.

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  23. #72
    My ponds gone from being 15 c on the 23rd November to 13 c now, 11 days later, we had heavy frost last night, and its had no heat input at all.
    I think one thing thats really helped is my filter comprises of a big square drum filter and a big square bio chamber, that are very easy to insulate very effectively with celotex, if your filters and pipes aren't insulated you are effectively also heating your filter room / shed.

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  25. #73
    Hi familyman,

    Looking at the injuries I don't think this Koi jumped. The mesh cover has no sharp edges and has a thick layer of powder coat. I think he swam into an inlet pipe that has quite a sharp edge and pokes 4" into the pond just below the surface. I've since adjusted it.

    Just hope the injuries will heal by themselves. I did send pics to Drew at Koi Waterlife and he suggested it should heal without treatment, but could take a year or more.

    Your pond temps are incredible, I can't get my head round it.

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  27. #74

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  29. #75
    Extreme Koi Member Rank = Nanasai Scamp's Avatar
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    Quote Originally Posted by Utton View Post
    Very nice pond!

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  31. #76
    Quote Originally Posted by RS2OOO View Post
    Hi familyman,

    Looking at the injuries I don't think this Koi jumped. The mesh cover has no sharp edges and has a thick layer of powder coat. I think he swam into an inlet pipe that has quite a sharp edge and pokes 4" into the pond just below the surface. I've since adjusted it.

    Just hope the injuries will heal by themselves. I did send pics to Drew at Koi Waterlife and he suggested it should heal without treatment, but could take a year or more.

    Your pond temps are incredible, I can't get my head round it.
    im a bit confused tbh, yesterday morning the heat pump temp gauge was flickering between 12.5 c and 13 c, last night it was 13 c, today its 13 c stable, now the heat pumps in standby mode waiting to come on at 11c, but its never got to that temp to turn it on, but I do seem to be getting some warmth from somewhere, the ambient air temps were mild yesterday but still slightly cooler than my water temps, so how could it go to a stable 13c when it was flickering up at 12.5 c a day earlier?
    Theres absolutely no doubt my heat pump isnt being used, because since I turned it off, our electricity consumption has literally halved, and ive been using the heat pump for a few years, so I know what im doing with it, so im happy to completely discount it.
    So with that discounted all I have running are 2 water pumps and 1 air pump, all are warm to the touch but surely they cant be putting any heat in can they ?

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  33. #77
    Is there Definitely no volcanos in your garden?
    Or underground springs?

    Funnily enough my temps went up overnight last night from 9.8C at 5pm to a fraction under 11C this morning. That's highest its been in a while. Unheated of course.

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    Last edited by RS2OOO; 07-12-2018 at 08:54 PM.

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  35. #78
    Moderator Rank = Grand Champion Feline's Avatar
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    I think the sun can warm up a covered pond room like it can an unheated conservatory on a sunny day, even in winter. Add to that your pond is deep and ground temps beneath and the lower walls is probably still over 13C. That's my theory anyway.

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  37. #79
    Extreme Koi Member Rank = Supreme Champion Davej's Avatar
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    Billie skinned his head on the cover back in 2006 at Nisai, always a risk but haven’t had anything similar since..In practice dorsal damage is more likely., Provided infection doesn’t set in there isn’t an issue, sad reality it is how 99% of tanchos are “made”..




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  39. #80
    Unfortunately Dave, the head injury on mine is significantly worse than that that one looks to have been.

    A deep 2" slightly curved cut running from eye to eye with blood coming out and 2 thick pieces of skin flapping around, which I think has broken off now. This cut is in the shape of a 2" outlet pipe.

    The mouth injury appears to be healing.


    As for the bubble wrap pond cover - its not as good as I hoped. Does its job keeping temps up but rainwater is finding its way in and causing the bottom layers to dip into the pond water. Added more tape today but I doubt its enough to solve the problem.

    Need to make something proper for next year, it'll just be a pain finding somewhere to store it 9 Months of the year.

 

 
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