Marine algae cultivation

Discussion in 'New Members' started by Markey, 18 Jun 2013.

  1. Markey

    Markey

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    Hi everyone,

    I'm planning to study the increase in lipid oil production in marine algea,but now I'd like to know how to start.For me to study the increase of lipid oils in marine algae I'll have to make an marine algae tank.Can anyone guide me on the best ways to do this.I'm struggling to find specific growing conditions for marine algae.

    If anyone will be so kind to help,please reply to this message
     
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  3. 459b

    459b Moderator MASA Contributor

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    Welcome to MASA!
    Which algae are you using?
     
  4. Lord_Blackadder

    Lord_Blackadder

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    What type of algae are you wanting to grow? Caulerpa racemosa would probably be the easiest. Just give it a few 20w daylight energy saver bulbs , a small amount of flow and sufficient nutrients and it'll grow like mad.
     
  5. Markey

    Markey Thread Starter

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    Brown algae

    The ones that commonly grow along the cape shore
     
  6. Express Reef

    Express Reef

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    You can just built a big refugium... just google "Refugium" and you will get all the info you need
     
  7. Markey

    Markey Thread Starter

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    Thanx guys will look into that.An old fish tank would be of great use now
     
  8. Visser

    Visser MASA Contributor

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    Welcome to masa!
    Which area of our coast do you plan to harvest the algae? Just asking as you get both coldwater, temperate & tropical brown algae species along our coast.
    Unless you are planning on using an expensive chiller to keep the water cool, i would suggest you get algae from our east coast to keep in tropical temperatures.

    As for lighting. Algae is the easiest of marine specimens to grow as you can use any type of "yellowish" light to grow the algae. Anything from regular bulbs, to energy savers, to halogen floodlights & led floodlights.

    Feeding algae is also very easy! You can go buy a small container of plant fertelizer, & simply drop a few grains in the tank every day...
     
  9. 459b

    459b Moderator MASA Contributor

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    Growing the common brown algaes form the cape, especially for scientific purposes, isnt a easy as a simple refugium. Besides keeping temp constant, one has to insure consistent nutrient levels etc.
    My old lab mates used to grow Gracilaria, i can scratch around and see which media they used.
     
  10. Markey

    Markey Thread Starter

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    Thanx david.just to reply I'm collecting brown algae from the false bay coast as brown algae is avaible in bulk here
     
  11. HOT SAUCE

    HOT SAUCE

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    @Fraser W could possibly help you too as he has a algae display tank connected to his system
     
    Last edited by a moderator: 26 Nov 2015
  12. HOT SAUCE

    HOT SAUCE

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    oh and :welcometomasa2: to MASA
     
  13. Markey

    Markey Thread Starter

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    Thanx guys. I appreciate any help
     
  14. Lord_Blackadder

    Lord_Blackadder

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    You're going to have an extremely hard time growing coldwater algae. I'd highly recommend one of the tropical species instead. You should be able to get some cuttings from various hobbyists or pet shops to get you started.

    As mentioned above, Graciliaria is probably your best bet if you need a coldwater species. It will still need a chiller though (expensive) and strong lighting (also expensive).
     
  15. HOT SAUCE

    HOT SAUCE

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    an algae scrubber connected to a sump will be the easiest and cheapest option
     
  16. 459b

    459b Moderator MASA Contributor

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    Do you know which species, some are almost impossible to grow. Biggest problem with false bay species is that they come from a high nutrient area and replicating these conditions in a closed system leads to diatom growth. Depending on water quantity and what filtration you have, you can use a chemical to prevent diatom growth.
    Can you list what equipment (filters, access to cold rooms etc) you have and on what scale you plan to cultivate.
     
  17. Markey

    Markey Thread Starter

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    I'm still researching on cultivation of marine algae with the aim to extract its lipid oil.can you name possible tropicle marine algae species that I can use for scientific research because I'll have a problem with finding an appropriate chiller room
     
  18. 459b

    459b Moderator MASA Contributor

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    Depends what you want to do with the lipids.
     
  19. Lord_Blackadder

    Lord_Blackadder

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    Green (fast growing, don't need much light):

    Caulerpa
    Halimeda
    Bryopsis
    Chaetomorpha
    Cladophora

    Brown (fast growing, but need very high light):

    Dictyota
    Sargassum
    Padina

    Red (slower growing, only need low light):

    Botryocladia
    Halymenia
     
  20. Lord_Blackadder

    Lord_Blackadder

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    I know that Nannochloropsis ("greenwater", type of phytoplankton) has been researched for biofuels. It's pretty easy to cultivate, though it can be a bit tricky to find the starter cultures. Guys use it to feed rotifers for fish breeding.
     
  21. Markey

    Markey Thread Starter

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    Thanx for your input guys.I'm planning to convert the lipid oil to diesel
     
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