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Thread: Culturing Phyto - Video Podcast Episode 39

  1. #101
    Grand Master Reefer Reefbaby's Avatar
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    man Wildeone - I can't keep up with you! You're doing one new thing after another and it all looks great!
    Christi

  2. #102
    Grand Master Reefer wildeone's Avatar
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    Thanks for thelink Rob, i couldn't find it!

    I didn't use a coupon code, didn't know about it. No big deal though.

    One question I have is, the nice guy from www.seahorsesource.com who called me to verify my online order, was very nice and helpful. He asked me what size bottles I was using and I told him 2QT. He said whoa, this may an overkill amount of culture. He said they use the 250 ml culture to start like three 10 gallon hex tanks. In the end I figured I would use what I need and see if anyone local needed some.

    How much did you use to start?

    Do you know how long I can keep it? (may be a ? for algagen)

    What size jars did you use? The don't look 1 gallon in the video.



    REEFBABY: I am on a roll; I am a driven kind of guy. I always have to be tinkering...its in my blood! Thanks for the compliment!

  3. #103
    Site Owner Rob's Avatar
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    yes, hes right, 2 QT is WAY to much..
    the smaller one is what you need.

    im not sure now long the culture will stay fresh before use, i woudl post to the Algagen forum and ask

    i use 1/2 gallon jars (2 QT)
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  4. #104
    Grand Master Reefer wildeone's Avatar
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    yes, hes right, 2 QT is WAY to much..
    the smaller one is what you need.
    I don't think I did a good job of explaining that.

    He said the 250ml culture was used to start 3 three 10 gallon hext tanks. he thought it was overkill for my 2 qt jars.

  5. #105
    Site Owner Rob's Avatar
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    do they offer anything smaller?
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  6. #106
    Grand Master Reefer wildeone's Avatar
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    No I asked. It's no big deal, it was only like $25, but I just wondered how you handled it (since you like a God around here ), but it sounds like maybe your cultures were different.

  7. #107
    Site Owner Rob's Avatar
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    yes, mine were different, as i started them a long time before i knew of algagen

    and im no god around anywhere, just a hobbyist like you..
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  8. #108
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    What would happen if the culture was in the light 24 hours? I would like to try growing some next to, or above my fuge. Or if I did that, would I be better off to time my lights 16 hours for the fuge?
    JOHN

  9. #109
    Site Owner Rob's Avatar
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    i dont knwo the technically reason, but all documentation i have read stated to give them a 16 hours photo cycle..
    im sure it has to do them them need a break from photosynthesis in some way
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  10. #110
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    Do you think it's a dumb idea to change the lighting on my refugium to 16 hours to try that? I've alway left it on 24 hours. I use normal output florescents on the refugium.
    JOHN

  11. #111
    Site Owner Rob's Avatar
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    refugiums are usually best lit on a reverse cycle from your tank.
    have the lights in the fuge on when your tank lights are off. this helps add stability to your system and PH. however, light is only required if you have macroalgae (or other photosynthetics organisms) in there.
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  12. #112
    Site Owner Rob's Avatar
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    Macro algae discussion moved here:
    http://www.talkingreef.com/forums/showthread.php?t=1141
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  13. #113
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    I used to do the reverse light cycle between the refugium and tank. Someone once told me it was better to leave the refugium lights on 24 hours. I don't remember why though. I currently grow Chaetomorpha and Caulerpa in there, mostly Chaeto. I pull the Caulerpa out and put it in the main tank for the fish and Sea Hare to pick at.

    Maybe I'll go back to 8 hours of tank light and 16 hours of refugium lights.
    JOHN

  14. #114
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    re: light cycle and microalgae

    Hey,

    I have a comment on light cycle and MICROalgae. There have been a number of studies looking at light cycle and effect on nutritional properties of common aquaculture strains of microalgae. In addition to looking at it from a nutritional perpsective there is an economical one as well...the electric bill. In a hatchery where you have hundreds of light this is an issue. As i recall, and anyone who knows better can call me on my BS, light cycles at and under 14 on were not as good nutritionally as well as from a biomass production standpoint. The studies justified, in my mind, an 18-24 hr light cycle. Dark time is important but it turns out is only necessary on the level of seconds for the photosynthetic apparatus to regenerate (or so I recall). Therefore a thick culture will have cells shading each other, which counts as dark time. So with microalgae anyway 24 hours light is probably good. We also have Chaeto growing under lights 24/7 and had gone from a fragile loose filamentous mat(when we first got it) to a tight brillo pad mat with greater elasticity(probably due to lite addtionals of nutrient). I think it is cool stuff.

  15. #115
    Insightful Reefer fishcounter's Avatar
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    Well, I just fed my first batch of phyto to my aquarium last night. When I came home from work for lunch today, there were little white bugs all over the glass! I am guessing they are copepods because they are microscopic! This is awesome!
    - Eddy

    "Corals require an aquarium, seawater at the right temperature and salinity, waterf flow, light, food, bicarbonate/buffer, and calcium. Period. No other equipment, apparatus, magic potions, pills, voodoo, prayer, or other sacrafices are necessary." -Eric Borneman

  16. #116
    Site Owner Rob's Avatar
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    sounds like it...
    copepods are VERY small, that is likely what you are seeing..
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  17. #117
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    Rob, I know you have the 4" Plankton collector, do you know how many microns the mesh is?
    JOHN

  18. #118
    Site Owner Rob's Avatar
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    yep, its a 53 micron mesh
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  19. #119
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    Just curious, would the results be any different through a 25 micron mesh? I was looking at the the collectors on the Florida Aqua Farms site, and I remember you saying you got yours for rotifers.
    JOHN

  20. #120
    Site Owner Rob's Avatar
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    i think it might be too small, but i cant say for sure. i have always used the 53μ

    you could post in AlgaGens forum as they are the real Algae experts..
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  21. #121
    Grand Master Reefer wildeone's Avatar
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    Scott, you can do the phyto thing now, just do it on a much smaller scale. I have scaled back from using 3 2 qt containers to just using 1/3 of the 3 containers. I always has fresh phyto to put into the tank. and it just takes me less than 10 minutes to split and feed.

    I would assume with at 26 Gallon you could find 1 qt jacrs and just fill them 1/3 full. It is real simple and I don't have the proof, but I fell as though I am doing a great thing for my tank!

  22. #122
    Grand Master Reefer wwest's Avatar
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    i have my phyto lab set up. now i have a 10 gallon 50/50 light laying around and was thinking about using it for the lighting. does anyone think that would work. or do i need to go in a route of a normal light?


    Save a coral, Trade a frag.
    Stop The World, I Want Off

  23. #123
    Site Owner Rob's Avatar
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    Quote Originally Posted by wwest View Post
    i have my phyto lab set up. now i have a 10 gallon 50/50 light laying around and was thinking about using it for the lighting. does anyone think that would work. or do i need to go in a route of a normal light?
    it should work just fine, as long as its long enough for all the containers.
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  24. #124
    Grand Master Reefer wwest's Avatar
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    ok thanks alot.


    Save a coral, Trade a frag.
    Stop The World, I Want Off

  25. #125
    Grand Master Reefer wwest's Avatar
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    i have one more question. does anyone know what type of miracle grow to use? or does it matter and also how much MG should you use for 2qt split?


    Save a coral, Trade a frag.
    Stop The World, I Want Off

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