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danlu_gt

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Posts posted by danlu_gt

  1. The sample edge to edge ReeFlectors are not perfect to my design specifications yet, but a quick dry PAR test shows it's a bit too focus. Got whopping 733 PAR (full 270 watts) at the center bottom (29 inches from light to tank bottom)! 

    😲



    For comparison, original Uno put out 195-220 PAR across the entire bottom on same dry setup.

    Getting another round of updated edge to edge ReeFlectors samples this week to test.

    Happy July 4th!

     

    uno2_sample_reeflectors.jpg

  2. 4 hours ago, jtarmitage said:

    When does the pre order discount end?  I may need additional lighting when I get around to setting up another tank thats taking up space in my garage lol

    Right now the ETA to get them to Seattle port is 3 months.  As we get closer to ship date, pre-order discount will go to 10% before pre-ordering ends.  I will be ending the pre-order sales when they're 2-3 weeks from arriving to Seattle.  That assuming I don't sell out.  😉

     

    4 hours ago, Parzifal said:

    Didn’t see the spread recommendation on these online.  They look awesome, just wondering PAR values over the recommended spread look like. 

    I don't have engineering samples yet to make exact PAR and spread readings yet.  However, you can get an idea by comparing specs to the original Uno.  The original Uno have pretty good spread (see tests from Dana Riddle and James Graham).

    Uno vs Uno 2.0 Pro:

    - 180W vs 260W.
    - 72 LEDs vs 114 LEDs.
    - 90deg ReeFlectors vs 110deg.
    - 3"x3" puck vs 7"x5" puck

  3. ReeFi Uno 2.0 Pro is now available for pre-order with pre-order discount as thank you for your support.
    -Significant more Blues and Royal Blues to better complement the strong of Violet, near UV, and UV.
    -Increased from 72 LEDs (180W) to 114 LEDs (260W).
    -Edge to edge LEDs, more than doubling the puck size, for improved spread and coverage.
    -New edge to edge ReeFlectors™ increasing each LED spread from 90degs to 110degs along with new 4in1 color LED blends to maintain superior color blending, even light spread, no disco lighting, and no side glares.

    More details here:
    https://www.reefi-lab.com/reefi-uno-2-0-pro/

    You can pre-order Uno 2.0 Pro by itself or pre-order with Tank Mount Kit.
    LED Lighting – ReeFi Lab

     

     

    Uno2Pro_rendering_1.jpg

    Uno2Pro.gif

    • Like 2
  4. I got one from Jeff a few months ago.  It's doing great, eating pellets and flakes as well as frozen food.  I haven't seen it touch my corals, but I only have a few types (torches, hammers, sps, muchrooms, elegance, chalice, goni, gorgonian).  I also have an Emperor and Regal angelfish and they limit what corals I can keep.

    My understand is that Quoyi is the only "Reef Safe" parrotfish and from my research is they will lose some of their vibrant colors in captivity over time.

  5. Great presentation with lots of good info.  I missed a bit with my spotty connection.  Zoom keep dropping in and out.  😞

    What was the product that has all the trace elements but without the sodium chloride, calcium, and carbonate?

  6. When you remove the led diodes, you created an open circuit.  That's why the other don't work anymore.  Those LEDs sounds like are hooked up in serial, so when you remove one, they all stop working.

    As for soldering... What kind of PCB is it?  Is it standard FR4 or metal core PCB?  If FR4 you can use heat gun or hot plate.  If metal core, you'll need hot plate or soldering oven.  Just put a little solder paste and place the led diode on.  You don't need to be too precise.  Then heat with heat gun or hot plate.  When the solder paste melt, LED will snap in place.  This is called reflow solding.  YouTube reflow solding.

  7. My last tank was kinda bare bottom.  The glass bottom was clear so when I put styrofoam insulator between the stand and tank, I put the reflective aluminum side facing up.  Pro:  You get light reflecting off the bottom back up toward the corals to fill in more shadows.  Con:  You don't get nice looking contrast when viewing from top down.  Once you fill with water, you won't see the reflective aluminum from the front or sides of the tank unless you look from top down.

    My current tank have black starboards already installed at the bottom.  I do miss having some light bouncing into the caves but no big deal.

    If you have stable/secure aquascape and don't but large heavy tiles that can be knocked over by snails, then you don't really need to have the starboards.  If you worry about having pressure points where rocks sit on the glass, you a band saw or dremel tool to flatten where the rock would sit on the glass.

    • Like 1
  8. Made a top down 4k video.  2.5min clips took up 8gb of storage, cause Canon 5D4 do not record with good codec.  My old laptop took over 1.5hrs to compress it down to 130mb.  Might need a new laptop.  Here's the video, enjoy:

     

    • Like 4
  9. Been awhile since I updated.  All the heavy feeding I've been doing (trying to get new fishes to fatten up), have caused phosphate to shot up between 2-4ppm.  Nitrate was pretty high but got it down to 10ppm with vodka dosing.  I attempted to uses Lanthanum Chloride to reduce phosphate by dosing directly into one of the skimmer over 8hrs period.  Dose enough to reduce phosphate by 0.5ppm over total system of 850ish gal.  I though that dose was slow enough for the skimmer to remove all the precipitants, but enough escaped to suffocated 4 flame wrasses and 6 yellow tangs. 😭   I was devastated.  For now, I will live with high phosphate.

    Added a couple new corals every week or so, mostly hammers and torches.  SPS frags still show good PE but haven't grown much probably due to high phosphate.  Here are some pics from tonight:

     


     

    DLU_5937.JPG

    DLU_5940.JPG

    DLU_5953.JPG

    DLU_5956.JPG

    DLU_5971.JPG

    DLU_5975.JPG

    • Like 1
  10. On 4/21/2021 at 2:35 PM, albertareef said:

    Looking great Daniel!  BTW - I meant to ask what happened with the crosshatch triggers?  They would have made short work of some of those new fish additions!

    Unfortunately, I lost both crosshatches. 😢  I think they might have over eaten and injured their stomach.  Then they stop eating.  Now, I can have more smaller fishes without them becoming dinner.

     

    • Sad 1
  11. Everything shown is free.

    Octopus skimmer

    Reef Star skimmer

    Coralvue skimmer

    Chauvet SF-4005 2/4CH timer

    pH calibration solutions

    Opened unused bags of sand

    Pumps

    10gal glass tank

     

    20210524_160607.jpg

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