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Old 02-20-2013, 08:12 PM   #21
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I have some good read ups on algae scrubbers, I could send you the links if you like ?


Yes send them I've been following, and would like more info on it
Thanks
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Old 02-21-2013, 08:43 AM   #22
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Hi Audifusion, how big is your screen ?
You need at least 1 watt per square inch of screen.
Lets Say your screen is 10x5 inch = 50 square inch so you need 50w of lighting.
What kelvin is the light too ?
2700 - 3000k bulbs work best but you can use up to 6500k which is what I'm using. Ill be building a new light setup with 2700k compact fluorescent spiral bulbs, the only downside is these need good reflectors as not much light makes it into the screen.
Roughing up the screen is very important and is a real pain in the bum lol but needs to be real rough.

Hiya liberty ill pm you a few links to scrubber builds etc
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Old 02-21-2013, 08:49 AM   #23
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You should see some algae growth soon audi but can take a while for new screen to algae up. If you have high nutrients you will get a thick brown or a thick black algae growing and as soon as this grows clean it off down the kitchen sink quick as this algae covers itself an the underneath will die off as there is no light getting to the bottom causing algae die off. Then after a few cleans you should see some green growing
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Old 02-21-2013, 09:21 AM   #24
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Quote:
Originally Posted by Dude1982
Hi Audifusion, how big is your screen ?
You need at least 1 watt per square inch of screen.
Lets Say your screen is 10x5 inch = 50 square inch so you need 50w of lighting.
What kelvin is the light too ?
2700 - 3000k bulbs work best but you can use up to 6500k which is what I'm using. Ill be building a new light setup with 2700k compact fluorescent spiral bulbs, the only downside is these need good reflectors as not much light makes it into the screen.
Roughing up the screen is very important and is a real pain in the bum lol but needs to be real rough.

Hiya liberty ill pm you a few links to scrubber builds etc
The 50w led flood puts out the equivalent of a 250w metal halide.

It's super bright.puts out about 6000 lumens. It's got a built in reflector too.

My screen is 18" by 12" I think.

how long do you leave your light on for?
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Old 02-21-2013, 09:30 AM   #25
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Oh right I forgot your using led you half the wattage needed so for a 50sq inch screen needs 25w of led so you should be good in that department and can have a 100sq inch screen, the main thing is to get all the screen lit up good.
For lighting times you should light it for 18 hours and run it opposite your tank lights then you won't get ph swings !
Looks good by the way and keep us updated on algae growth, eventually it will grow algae on the screen and not in your tank
For nutrients issues it can take upto 8 weeks and some really good lighted scrubbers this can take 4 weeks.
Just remember no matter what clean the screen every week, people leave them growing algae longer because it not "thick" enough, this is bad as the algae will cover itself and shade the algae underneath.
Hope this helps mate !
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Old 02-21-2013, 09:51 AM   #26
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Couple of days growth after a clean and my other screen I need to clean soon
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Old 02-21-2013, 10:47 AM   #27
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Thanks for the info, excited to see some growth on this thing.

Will keep you updated!
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Old 02-21-2013, 11:04 AM   #28
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I like the "in tank" idea, I did mine hanging above the sump which makes it a little difficult to access under my 65

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early on

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not too much later
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Old 02-21-2013, 11:30 AM   #29
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Quote:
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I like the "in tank" idea, I did mine hanging above the sump which makes it a little difficult to access under my 65

early on

not too much later
Your flow is uneven that's why its growing like that. Try to even it out by making sure your slot pipe is straight and it will grow in better. It also looks like the screen isn't rough enough . Looking at the first pic its way off. You should have a sheet of water running down the screen not just dribbling down
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Old 02-21-2013, 12:06 PM   #30
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Hiya manbeast, as was said try to make the flow better and even across the whole screen plus every week clean the screen, I have made Saturday my screen clean day lol don't completely clean the screen like it is new leave a tiny but of algae on there as this will grow quicker.
If you leave the algae growing it will shade itself and the bottom layers which are not getting much light will start to die off and just release all the nutrients back into your water column, this would just be going against having a scrubber in the first place.
Even if my algae is not very thick I still clean 2 or 3 of my 4 screens a week.
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