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Thread: Small UAS on Rio 240 Marine Tank

  1. #1

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    Small UAS on Rio 240 Marine Tank

    Hello

    I just want somewhere to post my daily journal of UAS pictures and people can get inspiration, give tips, etc :thumbsup:

    Basically, a friend of mine built this UAS suitable for my tank and its feeding requirements. I had a first attempt of using it over the Christmas period but it was a very busy time and I couldn't look after it in its important first few weeks.

    Also, I had a lot of trouble with the suction cups and the magnets weren't strong enough. So here we are minus the suction cups and with 100 new additional magnets siliconed in!



    The previous attempt also had problems with the air pushing its way through a gap between glass and UAS, which it then made bigger from the pressure which would eventually dislodge the whole unit. This seems to have now been resolved:



    The unit remains firm and tight, the air only comes out of the holes at the top and the light isn't as bad as the picture makes out but fish can't see red anyway

    I have the unit LEDs set to run from midnight to 8am. This may have to be increased after I consult the expert! :laugh:

    The air runs continuously.

    I've also turned off my Deltec MCE300 skimmer completely because it was a complete P.I.T.A.

    A part on it is broken causing a lot of air to enter the intake tube and be very noisy. I know it's risky but I have some Purigen on standby and will test the water much more regularly - should rule out any spikes!

    So here is ....

    DAY 1


  2. #2
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    Welcome.

    Looks like a good build. What's the lighting?

  3. #3

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    Quote Originally Posted by SantaMonica View Post
    Welcome.

    Looks like a good build. What's the lighting?
    Thanks

    2 x 660nm reds

  4. #4
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    Ok see how is grows. You could always put two more LEDs on, too.

  5. #5

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    Under advisement, I've moved the unit up to about half way up the height of the glass and also changed from 8 hours to 18 hours to kick start the algae.

  6. #6

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    Day 3



    Day 4



    Currently on 18 hours of light since Day 2

    As mentioned, the UAS had been tried before so I think the unit has 'cleaned' itself first of all the old, dried and dead algae and is now starting again nicely. It's a tinge of clean, fresh green as you can see. But nothing macro, only micro...

  7. #7

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    Day 8

    The edges are darkening and starting to grow out.

    However, the middle looks quite white. Perhaps too much light??

    Currently 18 hours.


  8. #8
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    Let it grow 14 days and it will probably fill in.

  9. #9

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    Day 12


  10. #10
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    Another 7 days and it will be thick

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