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Thread: After 2 Weeks is this ok?

  1. #1

    Join Date
    Oct 2019
    Location
    Australia
    Posts
    2

    After 2 Weeks is this ok?

    Hi ATS community,

    I have built a DIY and followed the dimensions for the Bio load on this forum that I felt was appropriate for my 120g marine tank.

    The only ambiguity was the lighting I have used. Honestly when someone mentions 150W+ lights, it frightens me on how much energy is being used and the cost of running such lights. So I have opted for LED Grow lights predominately 3 red 1 blue in the strips. Running 18 hours per day.

    So far I am still running my Bio Pellet reactor in conjunction with a GFO type reactor as well. I don't have the confidence of removing them as yet because my readings indicate that combined all is still not working. No3 = 5 and Po4 = .1 (My GFO is depleted and I dont have any left...but I might have to get some but this is why I built the ATS so I don't have to use this stuff)

    I have included pictures of my build and what's grown on the screen after 2 weeks.

    Appreciate any comments that might give me a better result or is what I am getting so far is OK? When should I expect real results kicking in?

    Thanks in advance...

    Brett
    Western AustraliaClick image for larger version

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  2. #2
    Administrator
    Join Date
    Oct 2008
    Location
    Santa Monica, CA, USA
    Posts
    9,817
    Welcome from Australia,

    Good build, growth will be good, although dark because the lights are weak. You can run 20+ hours.

    When nutrients come down, growth will be lighter, but may darken easily if there is a nutrient spike. This will block light and the roots may die and detach sooner. So if it's dark growth you will want to scrape/brush sooner. If it's lighter, you can go up to 10-14 days.

    Should work good overall, but if you want to change one thing next time, insert more lights and allow them to be be turned on separately for a high-power mode.

  3. #3

    Join Date
    Oct 2019
    Location
    Australia
    Posts
    2
    Thank you so much for your feedback. I'll add a couple of more strips on each side and increase the time to 20 hours and see how we go.

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