how many types of LED?

[msuhaizie]

Hey guys.. I want to ask u about type of LED.. How many type of LED can be used in sw tank? Or all LED products that we have got same behavior?

 

[Gti_Leo]

no and there are tons of different ones.

look into these www.rapidled.com with these leds your looking at 1 led per 15-18 square inches of aquarium surface

 

[melosu58]

Moved to General Hardware and equipment discussion.

 

[msuhaizie]

no and there are tons of different ones.

look into these www.rapidled.com with these leds your looking at 1 led per 15-18 square inches of aquarium surface

I mean in terms of PAR..

 

[BigJim]

Not all LEDs will give you acceptable PAR readings. You need high-power LEDs in the right spectrum. Any LED below 1W in power is pretty much useless for any tank where you're concerned about PAR readings.

I have ten 3W LEDs in the 6500K range over a planted 20H. I've never taken PAR readings, but I can grow pretty much anything I want in that tank.

 

[Remsset]

Where did u get ur led lights from

 

[msuhaizie]

Not all LEDs will give you acceptable PAR readings. You need high-power LEDs in the right spectrum. Any LED below 1W in power is pretty much useless for any tank where you're concerned about PAR readings.

I have ten 3W LEDs in the 6500K range over a planted 20H. I've never taken PAR readings, but I can grow pretty much anything I want in that tank.

What do u mean by 6500K?

 

[msuhaizie]

Where did u get ur led lights from

From petshop.. I live in Malaysia.. Marine tank not so popular.. Quite hard to look for the best supplier in my state..

 

[BigJim]

I built my LED fixture. I got the parts from dealextreme.com, the hardware store, and Radio shack.

6500K refers to the Kelvin color temperature of the light. Lower numbers mean a redder light, higher numbers a bluer light. 6500K is good for freshwater plants. For a marine tank, you'll want at least 10000K.

 

[Remsset]

Do u have photo of the fixture.

 

[BigJim]

Check out the link in my signature. I've got a fairly detailed description of the build and pictures.