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4ft T5 users. Can u do me a favor?


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I need to know the exact length of the bulb and end caps. They are going in a canopy and I need to make sure that they fit. Thanks!

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I need to know the exact length of the bulb and end caps. They are going in a canopy and I need to make sure that they fit. Thanks!

 

 

 

Chris,

 

 

 

You can take a look at my 2' icecap retro kit if you like. don't forget you need space for the wires coming out of the endcaps.

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The bulbs and end caps are on the way. i just need to get some measurements to Bob for the canopy. Thanks!

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I've installed a lot of retro kits into different brands of canopy. 4ft bulbs and caps will fit, never had a problem.

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I just didn't know about space required for VHOs. Now that we know VHO bulbs also come in 46.5" lengths--no problem!

 

Anyone have measurements for 48" VHOs including end caps? Any benefits or drawbacks when comparing 46.5" and 48" VHO bulbs or than the length?

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gallery_490_60_1272412.jpg

 

This my retrofit of the 4ft T5s. This is an Oceanic Top. Looking at the end of the bulbs you can see the piece of wood I added with the wires coming out of the endcaps to the inside (notice yellow wire on top bulb). The piece of wood I added is screwed into the inside lip of the Top. The outer edge of this inside lip is the greatest extent that the bulbs could extend to. I have about 1/2 inch on either end of the endcaps for clearance.

 

So, you should have no problem on a 48" tank.

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From my limited experience, 24" VHO bulbs are 24", so the total length is like 25.5" with endcaps. I couldn't fit 36" VHOs into my 36" canopy, but I can fit 3' T5 bulbs in there because they are only 34.5". I would imagine 48" or 4' VHO bulbs are the same way.

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I just didn't know about space required for VHOs. Now that we know VHO bulbs also come in 46.5" lengths--no problem!

 

Anyone have measurements for 48" VHOs including end caps? Any benefits or drawbacks when comparing 46.5" and 48" VHO bulbs or than the length?

 

I used to have 4ft T5s and the 46.5 VHOs mounted together. They are nearly identical in lenght (including bulb +end caps).

 

JM

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Sorry to steal your thread a little, but:

 

BIGCOUNTRY,

 

How do you like the Tek 8 bulb? Doesn't it stick out a tad and there's some light loss? Did you ever try the 6 bulb configuration?

 

Can you keep clams and SPS towards the bottom?

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