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Thread: Lethargic

  1. #21
    Moderator Rank = Supreme Champion Feline's Avatar
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    It has a condenser, a proper back light and a mechanical stage. But you need to find out if it has fine focus as well as course focus, and what magnifications the lenses are and the eyepiece to see if it’s in the right ballpark for the size of the koi parasites. You will need around x100 for the larger critters and x400 ideally for costia. You multiply the lens strength by the eyePiece strength to get this figure. I would not recommend you buy it without knowing for sure that it’s got what it needs.

    You might not be able to buy from the UK easily, but Germany and Holland both have serious koi keepers whose suppliers I would have thought you could easily order from?

  2. #22
    Extreme Koi Member Rank = Sansai sparkapuss's Avatar
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    I have found this on Amazon France and Germany, at around 80€, obviously new with a guarantee and it suggests it gives up to 1000 times magnification.



    • [High Magnification] Science microscope with WF10x & WF25x eyepiece and optical lens: 4x, 10x, 40x, rotating monocular head provides six magnification levels: 40x, 100x, 250x, 400x and 1000x. High-quality optics can reproduce improved visual quality and a sharp image.
    • [Dual Light LED Lighting] Composite double light microscope has incoming and transmitted LED light sources that illuminate both opaque objects from above and translucent samples from below and completely visible. The lower LED light is regulated by a turntable to operate easily. (Batteries not included).
    • [Easy to Focus & 6 Colorful Filters] 6 different color filters built into a rotating disc - no need to dye the slides. The children's microscope is easy to focus, you just need to rotate the focus button slowly to see clear images.
    • [Professional Design & High Quality Material] 38 inclined eyepiece with 360 rotating monocular head reduces eye and neck strain, provides a comprehensive view. Metal base and sturdy handle frame ensures vibration-free operation of the microscope.
    • Educational gift for children: Each biological microscope comes with Science Kits approx. 52 pieces, children can see different samples through the microscope. The ideal gift for children. If you have any questions or problems, please contact us. EMARTH offers 360 day warranty
    Last edited by sparkapuss; 10-04-2021 at 08:51 AM. Reason: security

  3. #23
    Moderator Rank = Supreme Champion Feline's Avatar
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    No, that microscope is a toy. You need a real one I’m afraid.
    You really need one with a condenser below the stage.

    Ive found this one on Amazon.de that would be what you need and has all the features. The monocular version is fine unless you want to spend the extra to use 2 eyes. It’s a bit more expensive than the Apex would be in the UK but has very similar spec.
    https://www.amazon.de/-/en/Transluce...5&sr=8-12&th=1
    Last edited by Feline; 10-04-2021 at 11:56 AM.

  4. #24
    Extreme Koi Member Rank = Sansai sparkapuss's Avatar
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    Firstly let me thank all those that have contributed to this posting, believe me I do appreciate you taking the time and trouble to help me out, I have a new water test kit and all the parameters are within perfect results, according to the accompanying literature, so that element is fine, however I think there might be a little confusion over this jumping issue. The rest of the ponds occupants, might break the surface on a very insignificant number of times through ought the year, but as a general rule, are reasonably well behaved. This particular specimen jumped once and landed up on a side wall, subsequently falling out, and has not been right since that happened. In fact a lot of the other occupants are now found laying on the bottom at sunrise, immediately doom and gloom sweeps across me, but when you consider that the other week we had a particularly unseasonably warm spell, which saw a great deal of activity, this was followed by a normal time of the year cold snap, especially at night, so to me these poor buggers don't know where they are. Coupled with the fact that my water is absolutely gin clear, and is normally carrying a heavy amount of green matter, makes it easy to spot something which I am told is normal during a cold snap, which otherwise, I would not have seen. In the meantime the jumper still spends a lot of time on his side at the bottom, and I suggest he has a swim bladder problem, so whether he will recover with warmer weather or I am seeking a small intex pool so as I can warm him up a bit and try and help him. He does have regular forays to the surface but once he stops propelling himself he starts to sink tail first. Microscope I will get one asap, but at the moment I am not sure parasites are a problem, but better safe than sorry.

  5. #25
    Senior Member Rank = Hassai Twhitenosugar's Avatar
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    It could just be the case the other fish were asleep if they were all sat motionless near the bottom at first light? Especially if they are all active the rest of the time?

    Your thoughts about the one laying over on its side sounds about right to me regarding its swim ladder. Unfortunately, unless you can get it into a heated salted tank (and even then there's still a good chance it won't recover), it's outlook does not look good.



    Sent from my Pixel 4a (5G) using Tapatalk
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  6. #26
    Extreme Koi Member Rank = Sansai sparkapuss's Avatar
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    I noticed that once the sun hit a certain corner of the pond the lot of them appeared and stayed swimming around there for ages, that's what gave me the thought about the temperature, I am trying to source something to put the other one in don't want to lose him if it's unavoidable, someone said peas are a good cure can't think why.

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