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Search: Keyword(s): ; Posts Made By: skanderson
Forum: Lighting 10-22-2014, 06:34 AM
Replies: 6
Views: 204
Posted By skanderson
in my opinion your light will be missing too much...

in my opinion your light will be missing too much of the warm end of the spectrum. the cool whites are missing a lot of the yellow to red end of the spectrum and it can give an odd look to a tank...
Forum: Lighting 10-17-2014, 02:28 AM
Replies: 23
Views: 936
Posted By skanderson
don't know anything about manufactured led units...

don't know anything about manufactured led units but my rule of thumb for lighting with decent led emitters is 1 watt per gallon. I will be changing the lights over my sump and frag tank this...
Forum: DIY 10-08-2014, 03:04 AM
Replies: 3
Views: 229
Posted By skanderson
cut away the part that is in the way and glue...

cut away the part that is in the way and glue them on with a dab of silicone. that is what I do.
Forum: Lighting 09-29-2014, 05:13 PM
Replies: 31
Views: 868
Posted By skanderson
i believe the smart people who have replied to...

i believe the smart people who have replied to you are underestimating the ignorance that is present in any group of humans. my impression from reading many posts is that there are people who...
Forum: Tank Journals 09-27-2014, 04:46 AM
Replies: 87
Views: 8,773
Posted By skanderson
ok have a few pics of the tank from today....

ok have a few pics of the tank from today. started to clean out the hair algae that is the result of a summer with not ferts and no co2 plus same light. also moved most of the fish that had spent the...
Forum: Tank Journals 09-25-2014, 10:29 PM
Replies: 87
Views: 8,773
Posted By skanderson
the numbers are in there a couple of pages back. ...

the numbers are in there a couple of pages back. I am going to try to debug the colored led strands this weekend. ive been busy outside all summer and am really trying to get this tank back in...
Forum: DIY 09-25-2014, 10:25 PM
Replies: 40
Views: 2,296
Posted By skanderson
wow will that thing be amazingly bright. using...

wow will that thing be amazingly bright. using just 5 of the 30 watt bxras, which are the precursors to the verso my 300 run at around 100 par 36 inches below the leds. looking forward to seeing...
Forum: Tank Journals 04-24-2014, 03:14 PM
Replies: 87
Views: 8,773
Posted By skanderson
its been a while because i had to have back...

its been a while because i had to have back surgery last month which has kept me from doing anything in the tank for almost 2 months. now that im starting to recover i cleaned it out a bit and took...
Forum: DIY 04-10-2014, 09:48 PM
Replies: 28
Views: 2,278
Posted By skanderson
very nice looking unit cant wait to see its color...

very nice looking unit cant wait to see its color over a tank. i just picked up some of the luxeon cob arrays to try out over something. either my fw sump light or over my old reef tank frag tank...
Forum: General Planted Tank Discussion 04-07-2014, 12:36 AM
Replies: 24
Views: 1,120
Posted By skanderson
because if i was going to have plastic plants i...

because if i was going to have plastic plants i would feel obliged to keep plastic fish in there as well.
Forum: DIY 04-05-2014, 02:46 PM
Replies: 11
Views: 611
Posted By skanderson
the rule of thumb for curing silicone when...

the rule of thumb for curing silicone when building tanks is one day per mm of glass thickness. I believe that silicone cures faster with higher humidity.
Forum: Lighting 04-04-2014, 02:51 PM
Replies: 29
Views: 870
Posted By skanderson
2 quick points I would like to make. I believe...

2 quick points I would like to make. I believe that rules of thumb are correct about 90 percent of the time. btw that statement is also a rule of thumb. I have a rule of thumb for led lighting...
Forum: Lighting 04-04-2014, 02:43 PM
Replies: 43
Views: 2,127
Posted By skanderson
I haven't seen anyone mention this yet so here...

I haven't seen anyone mention this yet so here goes. I read somewhere recently that adding additional red wavelengths to a light helps reduce etiolation thus giving more compact growth. the study...
Forum: Lighting 03-28-2014, 05:12 PM
Replies: 76
Views: 3,609
Posted By skanderson
my diys use bridgelux arrays in 4k color at 80...

my diys use bridgelux arrays in 4k color at 80 cri. if I could find them I would use 20 or 30 watt 4k arrays in 90 cir, but 80 still looks good.
Forum: DIY 03-22-2014, 05:58 PM
Replies: 11
Views: 1,075
Posted By skanderson
I just bought 12 outdoor 10 watt floodlights that...

I just bought 12 outdoor 10 watt floodlights that claim to be 800 lumens each in cool white for 84 dollars shipped on [Ebay Link Removed] the look more substantial than that unit as well.
Forum: Lighting 03-22-2014, 05:57 PM
Replies: 76
Views: 3,609
Posted By skanderson
you could diy light that tank using 2 12 inch...

you could diy light that tank using 2 12 inch heatsinks with 2 30 watt bridgelux bxra emitters and 8 cree xml 7k, then if you want to be fancy put 4 red and 4 royal blue on as well. that should get...
Forum: DIY 03-11-2014, 09:20 PM
Replies: 8
Views: 588
Posted By skanderson
I would use a 30 watt bridgelux bxra in 5k or 4k...

I would use a 30 watt bridgelux bxra in 5k or 4k or better yet a luxeon cob in 5k with a cri of 80 or 90. if you get one that puts out over somewhere around 1500 lumens you would should have enough...
Forum: DIY 03-11-2014, 09:15 PM
Replies: 6
Views: 637
Posted By skanderson
love that board. the flexibility would be very...

love that board. the flexibility would be very useful.
Forum: Lighting 03-07-2014, 02:46 AM
Replies: 4
Views: 247
Posted By skanderson
to add to hoppys point if you dimensions are in...

to add to hoppys point if you dimensions are in inches that is a 220 I think. my 300 is lit by 150 watts of very efficient leds and would qualify as high light. I would aim for a max wattage of...
Forum: Lighting 03-07-2014, 02:42 AM
Replies: 4
Views: 247
Posted By skanderson
I would avoid the cool whites or at least mix...

I would avoid the cool whites or at least mix them with an equal amount of warmer light. things look very washed out to my eye with that color temp of light. the new emitter that is getting me...
Forum: Lighting 02-27-2014, 05:21 PM
Replies: 4
Views: 366
Posted By skanderson
my 300 cube is lit by 5 30 watt arrays and has...

my 300 cube is lit by 5 30 watt arrays and has very high lighting. i would not use 50 watters as you may end up with either way too much light or very spotty light. i would use 3 decent 20 or 30...
Forum: DIY 02-13-2014, 09:30 PM
Replies: 219
Views: 19,782
Posted By skanderson
just federally illegal in the US.

just federally illegal in the US.
Forum: DIY 02-12-2014, 05:52 AM
Replies: 219
Views: 19,782
Posted By skanderson
I would disagree with the efficiency wall idea. ...

I would disagree with the efficiency wall idea. 2 chip makers that I know of have announced 200 lumen per watt warm white emitters. this is about double of what is currently on the market. one of...
Forum: DIY 02-09-2014, 04:41 PM
Replies: 219
Views: 19,782
Posted By skanderson
how is the temp of the heatsink when they are all...

how is the temp of the heatsink when they are all on and lit up? if the temp is too high that could explain the lack of scaling on the addition of more strings.
Forum: DIY 02-09-2014, 04:36 PM
Replies: 6
Views: 329
Posted By skanderson
you have to love the fast accurate responses.

you have to love the fast accurate responses.
Showing results 1 to 25 of 148

 
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