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Thread: Thinking about spawning this season

  1. #21
    Oyagoi Eugeneg's Avatar
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    I covered my green water to stop draggon flies laying their eggs but large enough for mosqitos to go in great food for fry
    Regards
    Eugene

  2. #22
    Jumbo Akai-San's Avatar
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    Quote Originally Posted by MikeM View Post
    One of the Orlando club's members uses his swimming pool in just this way. While the fish are small, no filtration is needed. So, no little ones killed in a filter. Aeration can be added when the fry begin to look like fish. With enough fish, there are no significant mosquito problems. But, you will need to have filtration eventually unless your culling keeps the population down. ....It will look a mess. Are your parents really willing to put up with it? ....Of course, they will be seeing a lot of you. Most parents will put up with a lot to have their grown children visiting daily.
    I regularly see my mom 3 times a week now since pops left us last year. I figure that I'm just picking up where he left off, he can watch his crazy koikichi son from above She was all for it as dad loved keeping his koi. I found his design plans to build his koi pond out of the swimming pool and thought that this is very doable. His design introduces new pond floor drains on the existing pool bottom; just build up and pour a new concrete floor. This could get dangerous. Haha. I guess I have more research to do. The scary part is that I already have the pumps, filters and piping to setup and run a 10,000 gallon pond. Oh Oh......

  3. #23
    Jumbo Akai-San's Avatar
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    Quote Originally Posted by Eugeneg View Post
    I covered my green water to stop draggon flies laying their eggs but large enough for mosqitos to go in great food for fry
    Regards
    Eugene
    How fine a net is needed to stop the dragon flies? Height from surface of the water?

  4. #24
    Jumbo Tosai_Sunny's Avatar
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    Sorry to hear about your loss, Akai-san. It's good that you are keeping your dad's memory alive with koi. Did you ever get the spawning net? One of my clients, who is a seamstress, sewed me one using sheer fabric. I am hoping to test it out with a sanke spawn soon. Can't allow you have all the fun. :-)

    As far as dragonflies go, it takes 2-5 weeks for their eggs to develop into nymphs. If you time your spawning right, they would not be a problem. The fry will quickly outgrow the nymphs to prey on them.

  5. #25
    Nisai
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    Quote Originally Posted by Akai-San View Post
    I found his design plans to build his koi pond out of the swimming pool and thought that this is very doable. His design introduces new pond floor drains on the existing pool bottom; just build up and pour a new concrete floor. ......
    My experience: In 2008 (WOW, has it been that long now?) my koi pond-pool’s one original main pool drain finally blocked up for good and would not yield to multiple attempts at making it work, up to and including using a scuba diver. Quite a few members of my wonderful koi club helped me catch and move all the fish to another members’, the Hardcastles, extra holding tanks, about 40 miles from my home. The 30,000+ gallons of water were drained. I had contracted with a pool-building company to re-do the piping, converting from 1 ½ inch to a 4-inch drain and pipe. First, they water-blasted a wide area around the bottom drain, to remove the VERY healthy carpet algae. (This turned out to be a LOT more difficult than the company had imagined it to be!) Then, it was "build up and pour a new concrete floor." They set the 4-inch koi pond bottom drain, (which I had previously ordered from a koi supply company in Wisconsin), with a length of 4-inch pipe running across the bottom and up the side of the pool, to a hole through the concrete, just under to pool deck. The pool company worker had stood at the bottom of the pool’s deep end and used a big impact drill, held as high as he could reach over his head, to make the 4-inch hole. They poured the concrete on the bottom and heaped concrete over the pipe up the side wall of the pool. Meanwhile, I began to think that another drain, at about mid-level on the side of the pool might be nice. We negotiated a change-order and I rush-ordered another 4 inch koi pond bottom drain, which was installed through a second hole in the wall of the pool. Both of these new pipes were run under the pool deck and over to the pond pump and filters, where they met up with the original two pipes from the pool skimmer and the original three pipes going back to the pool returns. The extra volume of water to the main koi pond filters allowed by the 4 inch pipe, and especially that extra drain, REALLY does make a difference!

  6. #26
    Jumbo Akai-San's Avatar
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    Quote Originally Posted by Tosai_Sunny View Post
    Sorry to hear about your loss, Akai-san. It's good that you are keeping your dad's memory alive with koi. Did you ever get the spawning net? One of my clients, who is a seamstress, sewed me one using sheer fabric. I am hoping to test it out with a sanke spawn soon. Can't allow you have all the fun. :-)

    As far as dragonflies go, it takes 2-5 weeks for their eggs to develop into nymphs. If you time your spawning right, they would not be a problem. The fry will quickly outgrow the nymphs to prey on them.
    I just received a couple mosquito nets that I ordered online. They are rectangular in shape/volume 5ft x 6ft and 5ft tall. Looks like good 180 fine mesh polyester material, but I think the holes are too big to retain any eggs or fry. The mesh holes are close to 1/32 of an inch. I'll have to check how big koi eggs are.

    Update: Looks great, but NO can do . mesh is definitely too big. Oh well...back to the drawing board. I really don't want to scoop out all the fry out of the round/blue show tank. It must be a mess after...

  7. #27
    Jumbo Akai-San's Avatar
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    So, I came home late last night from a four day trip and found that my pumps had stopped (I don't know for how long!). Two of my koi were starting to gasp at the surface for air when I turned on my lanai lights. OH SH!+ !!! I went into emergency mode...Noticed that the breaker tripped (This has never happened on this small load). I reset everything and the pumps went on. I need to find out what happened.

    Water was not crystal clear as it usually is, so I'm guessing the pumps were off for 10-12 hours. Autofeeder for feeding. Still a small amount of food floating on surface so I know it was awhile. Super bubbles and immediate water changes went into effect. I was a little upset that my family payed no attention after I asked them to just check-in on them once a day to make sure at least water falls were flowing (systems on).

    Everyones okay this morning, and I'm glad I had no casualties. They must surely be stressed out!

  8. #28
    Daihonmei MikeM's Avatar
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    Perhaps a power surge tripped it? ...In any event, glad it turned out alright.

  9. #29
    Jumbo Akai-San's Avatar
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    Back in business. Koi are all good and eager again, but summer is flying by and I cant find the time to get started on this project. Dont want to do this [email protected]$$ and not sure how long I have here in Hawaii, before spawning season is over. Waiting for my fry grow-out pond to get established and I still haven't set up the spawning tanks yet. Not sure if I'll make it happen this year. Too many other things going on taking priority.

  10. #30
    Jumbo Akai-San's Avatar
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    Sooooo, its that time of year again and not sure whether to go through the spawning experience for the first time again. I have noticed that the gals are getting more round and plump. I'm really scared to start down this road as there is no turning back once I put the pair(s) together. I know, I know! Each year I think about this commitment and each year I "chicken-out". At least for me...each year, I get one step closer and are more prepared than the year before. I just feel that I would be way over my head with this undertaking.

    I already have a few 200 gallon green water tanks ready to go and have started my systems prep work for a make-shift grow-out fry pond (making green water in parents drained pool). How deep should this fry pond be? I'd like to keep it 18" at its deepest if that is okay for fry. Should I use a pond liner? Would the existing weathered plaster surface present a bad condition for the fry? Plaster = High pH? I will need to test this water once I get it set-up.

    What do you use for dragon fly deterant? I remember seeing the critters in the pool last year when I left the water unsupervised for a couple months. Not sure how to place a net over the pond as I will most likely be running a shower set-up in the center of the pool that will run during sun light hours. I'm thinking that I really want to get some kind of filtration and don't want the fry in totally stagnant water in the pool. Any words about my crazy thoughts?

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