440L ATS design with 660nm led

[anders moon]

Im starting a new tank up and i have ended the rsm ATS build... The rsm filtration worked very well and now I want to do a ATS for the 440L.

My plan for the build is as following:
1: location: in the sump
2: measurements: 22cmx 35cm= 770cm2
3: flow: 22cmx60lph=1320lph. My pump is a new jet 2300lph, so that should be more than efficient?
4: light: 3x23W cfl bulbs on each side, that is more than the faq´s demands, right?
5: the bulbs will be placed with acrylic between the bulbs and screen. that way I can get the bulbs REAL close or move them further away.

[SantaMonica]

23 watt CFL's can only get to about 3" of the screen.

Scrubber Size Guideline, using feedings:

Each cube of frozen food you feed per day needs 12 square inches of screen, with a light on both sides totaling 12 real watts. Thus a nano that is fed one cube a day would need a screen 3 X 4 inches with a 6 real watt bulb on each side. A larger tank that is fed 10 cubes a day would need a screen 10 X 12 inches with 60 real watts of light on each side. If you feed flake, feeder fish, or anything else, you will need to blend it up super thick, strain out the excess water, pour it into a cube, and see how many cubes it is. And for Nori, 8 square inches = 1 cube.

[anders moon]

Im not sure I get the message intirely... What does it mean for my ATS (22cmx35cm)?

[itzrulez]

22 x 35 = 770 square cm...
if both sides with bulbs, 1.64 square cm / liter
770/1.64 aproximately = 470 liters...

you just need to make your light stronger!and use reflectors!

[anders moon]

my tank is 440L.
440x0,26W= 114,4W
there are two sides of the screen: 114,4W/2=57,2W light on each side.

3x cfl bulbs of 23W= 69W on each side... that is a total of 138W or do have something wrong???

[itzrulez]

oh, sorry...
;x
i dont saw that was each side!
for me its ok,just be sure, that the lamp has 2700k, that i think its the best!

[anders moon]

thats perfectly allright we are here to learn and help eachother :D

[Floyd R Turbo]

I just double checked your #s and it all looks correct. 3 x 23W on each side is the proper wattage, and your screen dimensions and flow calcs are correct.

[anders moon]

thanks turbo!
I have been thinking a long of led "bulbs"
I ran across these (sorry its in danish) http://www.energilys.dk/Kategori/E27-Sp ... -325-Lumen (http://www.energilys.dk/Kategori/E27-Spot-LED-Paerer/Produkt/E27-Warm-White-24xSMD-paere-AC230V-325-Lumen)

they are about som price of CFL 23W bulbs and they "live" longer and cost LESS in use... But will they give the correct algae growth light???

they are build for outdoor use and are estimated to deliver the same as 50w bulb of the use of 4,5W... but are W the same as cfl W???
If so I need a lot af these bulbs...

[anders moon]

I have read more about grow light and right now Im trying to figure out a lamp for both sides of the ATS with royal blue cree 3W led...

[Floyd R Turbo]

Dontt use RB. you want lots of red and very little blue. Ace25 did a build with 460nm RB and didn't grow anything. Currently he runs all 660nm red. I'm getting custom fixtures made to do a spectrum/growth test.

[anders moon]

ok that makes little sense that the RB led didnt make growth... But on the other hand if you look on most plant ligth it looks more red than blue so maybe that makes sense after all
look at these two led"bulbs" they look promising...
http://ultra-led.dk/index.php/led-spot/ ... -grow.html (http://ultra-led.dk/index.php/led-spot/hammerhead-24-watt-ultra-grow.html)
and another...
http://www.prolys.dk/proplant6-hi-power ... e-12w.html (http://www.prolys.dk/proplant6-hi-power-plantev-kst-diodep-re-12w.html)

and this article concludes that it IS the red light spectre we want for the growth..
http://www.prolys.dk/Datasheet/High-pow ... _study.pdf (http://www.prolys.dk/Datasheet/High-power_LEDs_for_plant_cultivation_study.pdf).

[Floyd R Turbo]

Nice info! Interesting that the first lamp lists ATS as a use.

[anders moon]

new plans!
I have bought some 3W led with 660nm... I have red a lot in here about the nm in the leds. I hope this will give my ATS to come good crowth!

[anders moon]

Update: I have now arranged the red led on each side... It has been so for a week now.
The algae for fist cleaning are very light brown on the ATS or nothing almost...
Im not sure I feed enough, I feed one frosen cube each day, should I feed mere? I Have a 440L.´s tank...

[SantaMonica]

Need pics

[anders moon]

I will try to find a camera...

[anders moon]

this led scrbber has run for two weeks and the algae are starting to grow but not in the middle???
Is it because the light is too strong?
on each side I have 10 3W led in the 660 spektre...[attachment=2:t7noh471]lampe.JPG[/attachment:t7noh471]

[SantaMonica]

More flow. More iron. Or less hours.

[anders moon]

Thanx for the fast response!
Could I feed more? I only feed one frosen cube per day...

the tank is 440L. and the pump is a 2000L/h pump that should be enough for 22cm length ATS...

[SantaMonica]

I don't think so, unless it was already green. It's brown, so feeding more will make it darker.

[anders moon]

alright!
to the light can be turned downed in strength, for now I will try to turn the light down instead of less hours... Is this madness or could that work?

[SantaMonica]

Less hours is always better than less light

[anders moon]

[attachment=1:1abk4wee]3 uge.JPG[/attachment:1abk4wee]
[attachment=0:1abk4wee]3 uge (2).JPG[/attachment:1abk4wee]

This is the pictures of my third week with red led lights (660nm)! It is slowly turning green but not as thick as I would like :D
The lights are 10 3W´s led and I have turned the strength about 30%down, the green is thickest in the areas a bit away from the light?

it is sqiurting a bit from clocking a bit in small seastars and bigger pods, should I try to cut the slot a tiny mm in the width? tha ATS is fed from the overflow...

do you think the canvas is rough enough?

[SantaMonica]

Looks good.

[kerry]

Sure does!!! Its filling in good.

[anders moon]

this is good feed back :D

what about the splashing from the slot... what is the best: Should I build a box around the ATs to secure the splashing or should I try to cut the slot a mm more in the width?

[kerry]

I m going to cut mine a bit wider as its not a loss if its worse as I have plenty of extra pipe. I use a table saw to cut mine so I figured I would cut a new slot then move my guard just a touch and cut it again to increase the slot. I also have a table router and might get a proper size bit for it instead. Either way I think this will stop the spray after the screen grows in. I have a light shield which makes it much better but its not a 100% cure.

[MorganAtlanta]

I have mine in a box. I would definitely have issues with spraying if it wasn't. If you get your slot too wide, you might have issues with getting an even spread of flow on the screen, but it is fairly easy and cheap to experiment until you find the slot width that fits your flow. Also, I feed my scrubber from both sides since I have two drains. That helps get the flow even across the screen.

[anders moon]

thanks for the replies about my spraying problems!
I have now put a 32mm pvc tube with aprox. 1cm wide slot as a guard of the spryaing and here some pictures for the fourth cleaning!

'i wonder if i should rough up the screen even more?

[anders moon]

andt he last picture...

[SantaMonica]

It just needs more light.

[anders moon]

Ok I will try to turn the light up again and if the algae turns yellow it is too much, right?. Is that the best way to do it?

[SantaMonica]

Yes, add light until you get green, then yellow, then back off until you get green again.

[anders moon]

the system takes a break for several reasons....