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  1. I don't know if someone else has, but I have not....

    I don't know if someone else has, but I have not. I'm still using this setup in my quarantine tank and it works fantastic almost 2 years later. The exception is the "skimming" portion of it. The...
  2. I bought a 50 pack of 660nm 3w led's on ebay...

    I bought a 50 pack of 660nm 3w led's on ebay shipped to my door for less than $20.
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    I would put the lights on the outside. 7402

    I would put the lights on the outside.
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  4. I've gone through a couple modifications and...

    I've gone through a couple modifications and versions of this. Silicone and two part epoxy did not waterproof the leds and they corroded in a short period of time. Using two part casting acrylic...
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    I'm still running 2 Gem5 lights for 20 hours a...

    I'm still running 2 Gem5 lights for 20 hours a day. I harvest the algae twice a week. This is a typical looking clean out.

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    I do a 50% water change about every 3 months now running...
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    Sticky: I'm following along.

    I'm following along.
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    The importance of Coralline algae

    The Great Barrier Reef, and most other large reefs around the world, owe their bulk in large part to a type of red algae that grows on corals and strengthens them. New research led by Anna Weiss, a...
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    Two days growth. 71687169

    Two days growth.

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    I didn't really make any changes this week. I...

    I didn't really make any changes this week. I left town for the weekend, so I did a cleanout after 3 days. Fast forward to seven days after that, and this was my growth.

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    Earlier this month marked the one year...

    Earlier this month marked the one year anniversary of running my 40 breeder with the in tank waterfall. This week I did a 50% water change every other day to see what the growth would look like. I'm...
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    I usually find pods and bristle worms in my algae...

    I usually find pods and bristle worms in my algae harvests. They don't even get close to eating all of the algae though. I suspect you have a different problem. I would try increasing the lighting...
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    Not all led's are created equal. Similar led's of...

    Not all led's are created equal. Similar led's of the same wattage will definitely have different lumens and longevity. If you can get more small led's for cheap, I would not hesitate to try them....
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    The red is giving way to green hair, pretty much...

    The red is giving way to green hair, pretty much in rings directly in front of the leds.

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    For my in tank waterfall scrubber, I removed the...

    For my in tank waterfall scrubber, I removed the "rock" and replaced it with a screen that was running in my quarantine tank. I then placed the rock in the display to keep the algae alive and see if...
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    I didn't get a chance to post last weeks progress...

    I didn't get a chance to post last weeks progress on the white lights.

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    Todays cleanout is still pretty red, but its getting darker there are some green patches.

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    First week of running the white lights. I forgot...

    First week of running the white lights. I forgot that the forward voltage of the white led was greater and 5 white led needed 14 volts, so the 12 volt power supply I had didn't work.

    Once I got...
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    Well my tank was converted to salt water a little...

    Well my tank was converted to salt water a little over a year ago. I've been running my algae scrubber ever since and it's still not growing the "desired" algae. I tried led's outside the tank, I...
  18. Thread: LED question.

    by isenhart
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    I think it would probably work for a 20 square...

    I think it would probably work for a 20 square inch screen. I think that heat sink is overkill for 4 -3watt leds. It's also really expensive, for US pricing anyway. I bought 50 3 watt leds on ebay...
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    I might try the seeding idea. I do live 30...

    I might try the seeding idea. I do live 30 minutes from the Gulf coast. I'm sure there's some algae growing there.

    Making it 2 sided would be difficult, the space it a total of 4" thick. I think...
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    For the last couple of weeks I've upped the water...

    For the last couple of weeks I've upped the water change schedule and added a 3rd light.

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    The growth is lighter but it's still not growing the typical hair algae.

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    This is about...
  21. It sticks, I'm not sure about long term...

    It sticks, I'm not sure about long term durability. I did score the inside of the pvc before I added the mortar.
  22. I really like this configuration of an all in one...

    I really like this configuration of an all in one upflow scrubber. It does have one problem of accessing the inside of the pipe to clean it out. So I made a modification, starting by cutting a large...
  23. Here is an update of growth on this scrubber. ...

    Here is an update of growth on this scrubber.

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    All cleaned up.

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    I can make it a little taller, but I can't make a...

    I can make it a little taller, but I can't make a second one. Maybe do more water changes until it grows hair algae?
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    This weeks growth and cleanup. Still running 20...

    This weeks growth and cleanup. Still running 20 hours of light.

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  26. Here is a better picture of the skim produced. I...

    Here is a better picture of the skim produced. I suppose I should get a collection setup of some kind.

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  27. Simple and cheap all in one filter/scrubber skimmer

    This is my second version of this style filter with a few improvements. It's made from 2" pvc, and 2" pvc drain/trap for the U and 90 degree piece that cost a total of $5. I cut a section of one pvc...
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    68436844. This was 3 days growth at 20 hours a...

    68436844.

    This was 3 days growth at 20 hours a day of light.

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    All cleaned up and ready to put back in.
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    I ran the lights continuous for ~72 hours. I back...

    I ran the lights continuous for ~72 hours. I back them off to 22 hours a day for rest of the week. I wonder if the lights are too intense. I have a clear acrylic piece at the bottom to hold filter...
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    Well 24 hours of light definitely got rid of the...

    Well 24 hours of light definitely got rid of the black/green. I'm not sure if it's an improvement or not?

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    There are 2 gem5 lights, the whole compartment is...

    There are 2 gem5 lights, the whole compartment is only 4", wide so they have to be ~2-3" from a ~7x7" screen/rock. I find it hard to believe that's not enough light for 2/3 of a cube per day with 7...
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    I'm still not having any luck with the screen, so...

    I'm still not having any luck with the screen, so I made a rock. Actually it's sand mortar/cement. I used a piece of lighting diffuser as rebar.

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    I left the screen over the mortar...
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    Well this week I scrapped the screen every other...

    Well this week I scrapped the screen every other day all week after brushing 1/2 the screen almost clean. 7 days later is looks exactly the same as it did last week. It still looks black until you...
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    Ok, I used a toothbrush to clean half the screen...

    Ok, I used a toothbrush to clean half the screen to almost bare and added a second Gem5. Here's hoping.
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    I've had this scrubber going for 6 months now. It...

    I've had this scrubber going for 6 months now. It grows algae, but not hair algae. For months it didn't seem to matter, the water always tested good. In the last couple of weeks Cyano has starting...
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    Well it's been longer than I planned for the...

    Well it's been longer than I planned for the update. Byproduct of it not being my tank and kept at an office I didn't visit much. After the initial post the algae got much worse, almost the entire...
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    Congratulations!

    Congratulations!
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    What does glucose carbon do that's bad? Though a...

    What does glucose carbon do that's bad? Though a rusty nail would be cheaper.
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    This weeks growth. I'm going to start dosing some...

    This weeks growth. I'm going to start dosing some ferrous gluconate, fergon iron supplement. We'll see how that looks next week.

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    Thank you for the info. I'm trying to go away...

    Thank you for the info. I'm trying to go away from water changes as a "filtration" method myself. In my tank I only run a waterfall scrubber and carbon in a media bag that I change out every two...
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    That's a beautiful tank. A true testament to the...

    That's a beautiful tank. A true testament to the success of natural reef keeping.

    I read the entire thread and I might have missed it, but you went from doing a lot of significant water changes...
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    Weekly harvest. 67116712 According to my...

    Weekly harvest.

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    According to my fish log, I added this cheato to my tank back on 4/3. I have never removed any of it.

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    Here it is today.
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    66866687 I think letting it go for 2 weeks...

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    I think letting it go for 2 weeks didn't improve the growth. It in fact it has an increase of brown algae and added a couple of small patches of green algae in the display tank....
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    6685 This picture was taken a few days ago, I...

    6685

    This picture was taken a few days ago, I didn't have time to post it until now.

    I'm not really getting anything that I would call hair algae. The water parameters are good, so I'm not too...
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    66806681 4 days growth on 1/2 the screen, 1.5...

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    4 days growth on 1/2 the screen, 1.5 weeks on the other half. It's starting to take off now.
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    66746675 This weeks clean out. I increased...

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    This weeks clean out. I increased feeding slightly and removed one Gem5. I also only scraped half the screen. The intent was always to clean half at a time, and clean more often. That way...
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    66676668 The growth this week is less than...

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    The growth this week is less than last week. There is some brown algae in the display tank and there is less of that this week too. Maybe the screen is too large for my bio load? I'm...
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    This weeks clean out. Under normal lighting it...

    This weeks clean out. Under normal lighting it looks mostly brown. If I put a flashlight on it, it looks really green though not hair algae.

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    Cleaned up ready for next week with what...
  49. 660 red and 440 blue is the NM that most use. If...

    660 red and 440 blue is the NM that most use. If you want to keep the lamp type lights, I suggest using these lights.
    ...
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    664566466647 5 days growth. Most of the algae...

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    5 days growth. Most of the algae is really dark, but the screen is green on the edges and brown in the middle. Reduce the light or leave it 18 hours a day?
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