PacificSun LED Modules? (Group Buy at Manhattan Reefs)

[paulthomas]

Has anyone ever heard of PacificSun LED Modules? There's a group buy going over at Manhattan Reefs, which ends this Friday, October 9th.

http://www.manhattanreefs.com/forum/aloha-tropics/65659-group-buy-pacificsun-led-modules.html

 

[sciknen]

I would go with the other module.. i think reefgeek or premiums sells them.. the other ones i've heard of and seen alot of builds.. a little pricey but i have never seen a bad word written about them


after just reading that thread a little bit.. go with those lol

3 year warranty.. amazing

 

[Blueflu1]

I don't know but they sound cool and they aren't expensive. But it says a 120w is perfect for a 90 gallon tank. Unless I misread the dimensions, a 120w is only 16" long. Can't see how that would cover a 4 foot tank. Interesting to learn more though.

 

[paulthomas]

I'm not terribly interested in getting an LED module/fixture just yet. I was just wondering if anyone had heard of this brand before. Apparently the owner, who is also an LFS in Poland (not local to us ) has been using them on his store tanks for awhile.

 

[paulthomas]

Yeah, the coverage doesn't add up to me either. I hoping that someone with a little bit of expertise in this field will chime in.

The price is right, maybe too right. At first I thought that these modules would be a lower cost LED option. But now it sounds as though it will be priced higher once the group buy is over and taxes, tarriffs, etc. are figured in.

 

[paulthomas]

The money back guarantee (shipping included, IIRC), within 30 days if not satisfied, says one of two things:

1. This product is legit and the owner knows it. Or...

B. This product is dooky and the owner is out of his gourd.

 

[Blueflu1]

One of the posts from the vendor says this

"If you are not growing lots of SPS, I would say that the 120W unit would suffice. If you want similar coverage to the 2x250x HQI, I would say go with 2 120W units.

The 120W unit is equivalent to 1 400W HQI but doesn't have the spread coverage of 2 2x250"

So I would need two units for my 90 because I prefer SPS.

 

[paulthomas]

One of the posts from the vendor says this


So I would need two units for my 90 because I prefer SPS.

According to the thread...

You gonna be the first kid on BRS to own one? Eh, it's only thurteen hunnid.

 

[Blueflu1]

According to the thread...

You gonna be the first kid on BRS to own one? Eh, it's only thurteen hunnid.

Nah. I bet you won't buy one though. You won't, I dare ya.

 

[luconi]

Build your own fixture. Its easy, fun and alot cheaper than buying a premade one. Their some really good components out there to use.

 

[paulthomas]

Nah. I bet you won't buy one though. You won't, I dare ya.

Hrm. To be the first one on the BRS block... Do you double dog dare me?

 

[paulthomas]

Build your own fixture. Its easy, fun and alot cheaper than buying a premade one. Their some really good components out there to use.

Honestly, I'm in no rush to get one. But that group buy deal sounds pretty good.

 

[luconi]

Yeah no doubt.

But you could DIY a much more powerful LED fixture that would cover the entire length of your tank for the discounted cost of a 300w pacificsun.

 

[Kenny B]

Just curious, where would one find the components to build one. I may try to DIY a small unit.

 

[luconi]

Use http://www.heatsinkusa.com for an aluminum heatsink

http://www.ledsupply.com for LED components, their located in VT so shipping is fast in New England.

http://www.mpja.com/ for power supplies and any odds or ends.

 

[paulthomas]

That looks like fun.

 

[sciknen]

Okay definitely off topic.. but whats the point of the heat sink. Do you just like weld it onto the flat side or the ribbed side?

 

[jayman10134]

it acts like a radiator. you weld the flat side to whatever you want to cool down. more surface area means more cooling.

 

[luconi]

Okay definitely off topic.. but whats the point of the heat sink. Do you just like weld it onto the flat side or the ribbed side?

Like a computer processor the surface of an LED will get hot, by mounting the backside of one to a heatsink it will transfer heat away from it thus keeping it cool.

 

[luconi]

Here's how they mount to a heatsink... It is best to use some thermal paste inbetween the backside of the LED and the flat side of heatsink, this will aid in better heat transfer.