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Thread: RAIN4

  1. #11
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    Another new photo of the RAIN4 in position on the adjustable pole mount. Water is fed into the gray 3/4 inch hose barb at the bottom, or, the barb can be removed and a 3/4 inch hard pipe used instead. Also included is a 3/4 to 1 inch adapter for 1 inch hard pipe.


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  2. #12
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    Here is a look inside the RAIN4 dome lid, with all 6 of the GEM5® lights plugged in. The photo had to be dimmed (edited) because the lights are blinding bright 660nm deep reds, and put out 5 watts each (30 watts total), which is almost all illumination because the power supply boxes are safely a far distance away (see www.LEDsafety.org) and do not add any extra heat at all to the scrubber.

    Other people's lights, such as the common bolt-on ones from China, have the power supply inside the light, and this makes the lights 60 or 80 watts of heat each, but this is just power supply heat and not illumination, and so the scrubber gets very hot (120 to 300 watts of heat) which makes your sump area a warm swamp.

    When a RAIN2 or RAIN4 is new, you only plug in 1 light because they are so bright...

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  3. #13
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    Customer's RAIN4 waterfall scrubber, set way down in a saltwater sump, almost touching the waterline. Since the six GEM5 lights inside the dome lid can operate submerged, any water spray or water level increases (like turning the return pump off), no harm is done to the lights. And if the RAIN tray touches the waterline, it is dead silent with no water drain sound at all.

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  4. #14
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    RAIN4 in sump of 20000 Leagues Under The Sea Tank
    https://youtu.be/qaZuRPu6UPk?t=736

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  5. #15
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  6. #16
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    One-handed removal of a Green-Grabber® screen from the RAIN2 and RAIN4 (tm) scrubber.

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  7. #17
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    This RAIN4 screen has a giant growth ring which protects the center section from light-blocking and flow-blocking that often happens otherwise (see http://algaescrubber.net/forums/show...3-Growth-Rings )

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  8. #18
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    All other waterfall algae scrubber designs (which we created in 2008; see Ats2008.org) require you to disconnect and disassemble the unit to get to the growth on the bottom tray. This was a problem. The RAIN2 and RAIN4, which we created to solve this issue, allow you to lift off the LED dome lid with one hand so you can observe any growth on the tray, and then you can lift the tray off of the water pipe also with one hand (as shown) to take it to your sink. And you never have to turn off the water flow when doing this.

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  9. #19
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    RAIN4 waterfall algae scrubber in a large sump

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  10. #20
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    A full screen of light-green Cladophora species growth on a RAIN4 (tm) waterfall algae scrubber. Note the bottom of the tray is at the waterline, making it silent, while still allowing space below the tray to put things. There is good flow, but it is not very visible because it's inside the growth.

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    Other RAIN4 videos:
    https://youtu.be/mlg0L_nmXPc
    https://youtu.be/r5B2bGBtA2s
    https://youtu.be/T8WgRwzs3W4
    https://youtu.be/_HacgCB2LlM
    https://youtu.be/4m82K7Mpp3s

    Algae scrubbers, otherwise known as "chaeto killers" because of the high filtering capacity compared to chaeto reactors, have the fastest and strongest rate of removal of nutrients from aquarium water of any type of natural algal filtration. All natural reefs, lakes and rivers are naturally filtered by algae.

    The RAIN2 is the smaller RAIN, available with 1, 2 or 4 of our GEM5 (tm) lights.

    The RAIN (tm) waterfall algae scrubber is the first new design from anyone anywhere since we introduced the first waterfall design in the year 2008. Back then it was simply designed to fit under the tank that we had at the time. It took a lot of time to remove and clean, and had other issues, but it was not for sale so it did not matter.

    Since then all waterfall designs for sale by anyone have copied that design. That original design was ok at the time (you can find it posted on forums by searching "waterfall turf algae filter cheap and easy to build santamonica forum"

    Well, now it is 2022 and almost all the shortcomings of that original waterfall design have been overcome with our new patented (10,655,095) RAIN designs. From the Green Grabber® 3D printed screen, to the underwater submersible and safe low-voltage (but high wattage) UL listed GEM5® lights, to the pole mount super low space requirement mounting system, we really hope you like the RAIN models.

    More RAIN videos:

    RAIN one-handed screen removal and replacement (47 seconds)
    https://youtu.be/zbgbCCpiJGc

    RAIN2 with one GEM5 light, first scraping:
    https://youtu.be/I5mG_uid4Ms

    RAIN tray:
    https://youtu.be/zVa650-QPTM

    RAIN2 water pipe and screen:
    https://www.youtube.com/watch?v=t2zHgcsxi7U

    RAIN2 dome lid cover and lights:
    https://www.youtube.com/watch?v=Ba5Hy9gr4FI

    RAIN2 mounting:
    https://www.youtube.com/watch?v=83_loN1d-Ng

    RAIN2 unboxing:
    https://www.youtube.com/watch?v=gZ2itYGFFUo

    RAIN2 first view:
    https://www.youtube.com/watch?v=uo0kOIns0GE



    Other videos of interest:

    SURF8 harvest with one strong light, and one regular light:
    https://youtu.be/XfAMbQ3P6gE

    SURF8 light-comparison harvesting test:
    https://youtu.be/qb4Gi1OKCs8

    SURF8 Unboxing and Installation:
    http://youtu.be/RjNwPOn9AHg

    SURF8 overview:
    http://youtu.be/ZmYW2_jP7pk

    SURF8 sound, and stability:
    http://youtu.be/mYnCSI7Q7cg

    SURF4 first 17 days of growth:
    http://youtu.be/sFtQXIlM8h8

    SURF4 overview:
    http://youtu.be/fLTtOQUzmxY

    SURF2 many harvests:
    http://youtu.be/miWb4R8ajXw

    DROP1.4 installed on a saltwater pond:
    https://www.youtube.com/watch?v=qGxK28lUq4I

    HOG1.3 from New to Green, in 3 Cleanings:
    http://youtu.be/utu2SADmj2g

    HOG1.3 unboxing and installation:
    http://youtu.be/IWX6UGmSyV0

    SURF2
    http://youtu.be/LlL1xvll1r0

    HOG1:
    http://www.youtube.com/watch?v=s8ed-RD8S6U

    HOG.5:
    http://www.youtube.com/watch?v=o14culabk7k

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