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Type: Posts; User: SantaMonica

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  1. Replies
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    That's because gha has not attached yet. Get all...

    That's because gha has not attached yet. Get all the slime off every few days.
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    Should do the job for now.

    Should do the job for now.
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    Or just plastic wrap

    Or just plastic wrap
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    Just cut it in half vertically and tape up the...

    Just cut it in half vertically and tape up the unused slot. This will fit a single light well, and will have good flow.
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    CFL will lose output after about 3 months,...

    CFL will lose output after about 3 months, correct. And you can seed if you want to, but it might just disolve. It's really not needed.
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    Well it's certainly still low on light compared...

    Well it's certainly still low on light compared to high nutrients, so anything you can do to increase/concentrate the light, or lower the nutrients, will help.
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    Carbon dosing usually does cause growth to go...

    Carbon dosing usually does cause growth to go light, or clear. I have just seen many screens growth more and thicker when they were not so big.
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    I think you mean reduce inorganics. Not organics....

    I think you mean reduce inorganics. Not organics. You want as much organics in the water as possible to feed the corals.

    Why is one side dark? Looks like there is only light on the front side now....
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    It if stops the water, then it will work. But...

    It if stops the water, then it will work. But water will still spread out a bit. Give it a try.
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    Narrow enough to catch all the light. And any way...

    Narrow enough to catch all the light. And any way to wrap up or seal the open slot is fine; does not have to be adhesive tape.
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    It's just a way of getting the light intensity...

    It's just a way of getting the light intensity higher across the screen, without getting a bigger reflector for the lamp. But it might just fill in by itself as nutrients come down.
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    Well you could cut the screen vertically in half,...

    Well you could cut the screen vertically in half, and tape of the rest of the slot. This will concentrate the growth in front of the light, and increase flow too.
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    I just needs stronger light right now, as heavy...

    I just needs stronger light right now, as heavy nutrients are coming out of the water.
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    GHA is easier to deal with, and more fun to look...

    GHA is easier to deal with, and more fun to look at, and you can feed it to fish, so it's generally preferred. But yes if you deal with the slime more frequently you can get good filtering from it.
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    1.0 phosphate will certainly get you dark slime....

    1.0 phosphate will certainly get you dark slime. This still filters well, see below. If you get it harvesting enough, you should not need to dose. Iron is not the problem with dark slime; that's only...
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    Ok then it's probably just too slimy to growth...

    Ok then it's probably just too slimy to growth thick.
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    Much better. What you are getting now is the thin...

    Much better. What you are getting now is the thin growth layers of over-sized screens. They work fine but usually don't have enough nutrients to grow thick across the whole screen.

    If you want you...
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    Ah the good ol days of big cfl's

    Ah the good ol days of big cfl's
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    Yea if that led can't even create a white growth...

    Yea if that led can't even create a white growth ring right in front of it, it's too weak.
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    Yes once a growth ring has filled in, you go use...

    Yes once a growth ring has filled in, you go use more hours of light.
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    You could try putting some triangle acrylic...

    You could try putting some triangle acrylic strips on the light, to diffract the light sideways.
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    Also if you can back the lights up, they will...

    Also if you can back the lights up, they will spread out more.
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    Yea most growth is going to be in front of the...

    Yea most growth is going to be in front of the light, so for that wide screen you will need at least 2 more lights (total of 4) and maybe 4 more (total of 6).
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    Flow is fine if growth is across the screen....

    Flow is fine if growth is across the screen. Lighting is weak, causing dark slime which is letting go.
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    If the screen can fit, there is probably enough...

    If the screen can fit, there is probably enough room, because water goes through the holes. But 3mm width is good.
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    About 200gph, good for up to 6" of slot.

    About 200gph, good for up to 6" of slot.
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    Yes that is very, very little flow.

    Yes that is very, very little flow.
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    You mean the screen length left 2" of open slot?

    You mean the screen length left 2" of open slot?
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    Welcome back. The overflow version will work, if...

    Welcome back. The overflow version will work, if enough light. And the waterfall probably does need more wattage as you said, but might as well use what you have now. Besides, can't get too much more...
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