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  1. #21
    Senior Member Rank = Mature Champion smartin's Avatar
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    Quote Originally Posted by davethefish1 View Post
    probably have to sort something later on this year when i come off my cheap tariff....
    but i don't really have a place for an ASHP...unless i put it on the roof of the pergola....

    plus my pond seems to have some kind of geo thermal ground source heating as it's holding temp @12C-13C without any heat on....

    but i won't be heating to 18C with older fish,
    i've already decided to keep it around 11C for now, as i'll be lifting it up to 14C ready for when my new fish come out of QT.
    then slowly dropping it back down to 10C-11C until spring...
    Hi Dave any reason why your not keeping above 13c to help avoid aeromonas alley issues? i am unsure what to do if honest about it, for the moment just keeping them warm and above that critical temp zone but in two minds if to give them a winter and slow their metabolism down / rest them.....
    2200 gallons, infinity window, BD
    Evolve 4000 combi amalgam UV
    10k,20k AF pumps
    Skimmer trickle.

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  3. #22
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by smartin View Post
    Hi Dave any reason why your not keeping above 13c to help avoid aeromonas alley issues? i am unsure what to do if honest about it, for the moment just keeping them warm and above that critical temp zone but in two minds if to give them a winter and slow their metabolism down / rest them.....
    aeromonas alley issues are something that has the potential to occur, not something at immediate risk in a healthy pond.
    i think it is a widespread issue because a lot of the time ponds are 'closed down' for the winter and regular maintenance neglected,
    allowing waste to accumulate, and so pathogenic bacteria.

    imo in winter your pond should be maintained and kept physically clean, including water changes, tests and everything else you do the same as you do in the summer.
    including leaving the UV on as this will help towards controlling bacterial levels in the water. not just killing algae.

    winter temperature has become an emotive subject here
    everyone has there own idea what the 'best' winter temperature is from -2C under a foot of solid ice, to 25C all year round...

    i have my own ideas regarding winter temperatures, and that depends on your global geographical location and size of fish,
    if you live in the philippines there's no point trying to fight against your climate to winter your fish at 3C...
    or if you live in canada trying to heat to 25C...when it's minus 20C outside

    the only exception i think is tosai to nisai fish benefit from having a heated winter at 20C-25C
    to get to a size that is more robust and has more reserves to over winter at colder temperatures...

  4. #23
    Moderator Rank = Supreme Champion Feline's Avatar
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    Your first pond would never be your ultimate pond- some of the things you need to ‘learn’ can only really be learnt by experimenting, and getting things wrong. In the quest for solutions to problems we find out a bunch of new things that change our perspective for the next build.

    My current pond is actually the 5th pond I’ve built (not all at this house). Who knows whether this will be the last one??

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  6. #24
    Senior Member Rank = Gosai Ruffers22's Avatar
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    Quote Originally Posted by Feline View Post
    Your first pond would never be your ultimate pond- some of the things you need to ‘learn’ can only really be learnt by experimenting, and getting things wrong. In the quest for solutions to problems we find out a bunch of new things that change our perspective for the next build.

    My current pond is actually the 5th pond I’ve built (not all at this house). Who knows whether this will be the last one??

    Hi Feline, Five ponds

    Were they all Koi ? and on average how long between each complete re-think / new build?
    EZ-pond 1200i Semi-Raised Pond, Spin-drifter BD, Oase Aquaskim, Oase Proficlear Compact Gravity, 1x Bermuda 10,000, 1x Evo-Aqua 20,000 Vari Wi-fi Pumps, 2x Evo-Aqua 70L Air Pumps , Evo-Aqua 55w UV, Aqua-Sieve Midi, 3 Tier Fabricated Stainless Shower, Hydro-Pro Z7 Heat Pump, 48" Big Blue De-chlorinator, Profi Auto Feeder & Seneye Pond Pack.
    "That'll do pig. That'll do"

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  8. #25
    Moderator Rank = Supreme Champion Feline's Avatar
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    Quote Originally Posted by Ruffers22 View Post
    Hi Feline, Five ponds

    Were they all Koi ? and on average how long between each complete re-think / new build?
    No, the first 2 we’re not koi, the 3rd had some koi but shouldn’t have done at that size and that filtration
    On average they were nearly a decade apart

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