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  1. #1
    Premium member Reefaholic's Avatar
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    Diatoms Lights out !

    Hi Everyone,

    I would like to hear any results/experiences on how to beat diatoms. I been trying to beat diatoms for about a Month now. The tank is a 30g with a 10g sump. I'm running Carbon,GFO, Chaeto, Polyfilter and an oversized skimmer. I siphon and scrub the rock and it will disappear for a couple days but it comes right back. I have cut down on feedings to twice a week. I have mostly LPS and Rock flower nems,1 Royal gramma and 1 watchman Goby. The tank has been running for about 3 years now with weekly water changes, using RO/DI water with a TDS reading of 0-3.

    The plan is to scrub all the rocks,shyphon, water change, and do a 3 day black out. Any suggestions/help would be greatly appreciated.

    I have also heard of people dosing Hydroxen peroxide, while the lights are out.

  2. #2
    TeamCR
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    How long has the tank been running and what are your water parameters

    Sent from my SM-N950U using Tapatalk

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    Premium member Reefaholic's Avatar
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    - - - Updated - - -

    Quote Originally Posted by GugsJr View Post
    How long has the tank been running and what are your water parameters

    Sent from my SM-N950U using Tapatalk
    Running for a little over 3 years
    Salinity 1.024
    Temp 78-79
    Ph 7.8
    Alk 7.5
    Nitrate 0
    Phosphate .03-.04
    Cal 350
    Mag 1250

  4. #4
    TeamCR
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    I'd raise your nitrates to 2 - 5ppm

    I'd also raise your CA to 420 -425

    Sent from my SM-N950U using Tapatalk

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    Premium member Reefaholic's Avatar
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    Anyone else have any experience with this?

  6. #6
    Team CR maidia's Avatar
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    I been fighting almost 4 months, do this do that and final beat it with 10 days light off and dose Hydroperoxide. It been gone for month now and hope not come back. Oh, I also run carbon thru reactor after 10 days.

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    Premium member Reefaholic's Avatar
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    Quote Originally Posted by maidia View Post
    I been fighting almost 4 months, do this do that and final beat it with 10 days light off and dose Hydroperoxide. It been gone for month now and hope not come back. Oh, I also run carbon thru reactor after 10 days.
    Did you do 10 consecutive days with the lights off? How did your coral react to that? Also how much peroxide where you dose per gallon? Daily?

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    Team CR maidia's Avatar
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    Quote Originally Posted by Reefaholic View Post
    Did you do 10 consecutive days with the lights off? How did your coral react to that? Also how much peroxide where you dose per gallon? Daily?
    10 days off light only turn on light from 4:30PM - 5:30PM for feed the fish. I dose 30ml daily around 8PM for 120 gallon total system. Corals are all fine.

  9. #9
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    I cut my light cycle to 3 hrs a day, stopped water changes and dosed 12ml of hydrogen peroxide a day for 2 weeks. (120gal) tank.

  10. #10
    Premium member Reefaholic's Avatar
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    Quote Originally Posted by Slim64 View Post
    I cut my light cycle to 3 hrs a day, stopped water changes and dosed 12ml of hydrogen peroxide a day for 2 weeks. (120gal) tank.
    Sounds great Thank You for the reply I will try and run something similar.

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