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Thread: DIY diatom filter

  1. #1
    Join Date
    Sep 2008
    Location
    between Sac and Reno
    Posts
    160

    DIY diatom filter

    I have a magnum hot shot filter. I was thinking of adding DE to the micron filter. I'm just not sure how to do this. Would I run the filter say in the sink with a bowl of DE to prime it? How do I know when there is enough DE coating? Could I then take it to the tank and run it for a few hours? I am guessing that adding DE would improve the micron filter but am not sure it's worth it. I know I will have to remove the filter from the tank before I turn it off. I don't want back flush of DE.

    On the other hand would it be worth to just buy a silicate/ Phosphate remover an it to the canister?


    The reason I am doing this is I have a ton of brown algae. My oto can't keep up. I must have done a mini cycle. It is acting just like a new tank. My phosphates are off the scale but not from the tap. I have given it a week with the over dose of excel. It is a bit better.

    I know I could wait the time for my tank and new plants to adjust but It's two weeks since this started. I am impatient.
    6 sids, 6 ADF's, breeding pr discus eggs always eaten, 1 oto, No Co2, Use EI, generic Excel, Eheim 2126, 18w UV, 96w 6700k raised 4" above tank (9hrs) 65g

  2. #2
    Join Date
    Sep 2007
    Location
    South Florida
    Posts
    5,582
    Hi,

    You may want to grab the instructions (on the Web if possible) for the Vortex Diatom filter which uses DE and must be primed....

    I would not bother with it (except to experiment) and try the following.

    1. Do 2 or 3 50-75% WC for 2 or 3 weeks if possible.
    2. Increase your c02 and ferts a bit to ensure optimal levels.
    3. Cover the sides of the tank if any get any indirect light from a window or door. One of my sides was next to a window and sunlight got in there at various times of the day. Not much, but I think it was a factor......

    I had these brown diatoms in my 180 for weeks. Patience and the above regimen eliminated it, and I have not seen it since. I would say not in the last 5-6 weeks, and it was a major PITA before lol

    I am now back to weekly WC with EI and c02 and have not seen it since.
    Thanks,

    Gerry.

    'When something's not right, it's wrong'. Bob Dylan

    Current 220 scape

    http://www.barrreport.com/showthread...3219-220-video

  3. You have only one oto in a 45g tank? I usually stick with one or two per 10 gallons.

  4. #4
    Join Date
    Sep 2008
    Location
    between Sac and Reno
    Posts
    160
    So do I usually. But I loaned 3 to a friend with goldfish and she fell in love. The LFS are out will keep trying.
    6 sids, 6 ADF's, breeding pr discus eggs always eaten, 1 oto, No Co2, Use EI, generic Excel, Eheim 2126, 18w UV, 96w 6700k raised 4" above tank (9hrs) 65g

  5. Oh. Too bad, they would make very short work of the diatoms.

  6. #6
    Join Date
    Sep 2008
    Location
    between Sac and Reno
    Posts
    160
    I wish I could find a place for the zebra oto in my area they are cute.
    6 sids, 6 ADF's, breeding pr discus eggs always eaten, 1 oto, No Co2, Use EI, generic Excel, Eheim 2126, 18w UV, 96w 6700k raised 4" above tank (9hrs) 65g

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