The Planted Tank Forum - View Single Post - DIY LED for 90cm/36 inch 48 gallon tank -FINISHED! Pics/PAR levels on page 2
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post #11 of (permalink) Old 02-04-2011, 10:03 PM Thread Starter
Wannabe Guru
Join Date: Jan 2008
Location: San Francisco
Posts: 1,902
Originally Posted by Hoppy View Post
Since each row will have its own driver, you could easily add an on-off switch to each driver's AC power side, then you could run any combination of 1,2 or 3 rows that works best. For the slight added expense and trouble, you avoid having to take it apart and add a 3rd row if needed. I would definitelly do it that way.

I didn't think about including the on off switches, I never use the ones on my current fixture since they're on timers.

I was hoping, if I end up having enough light with just the two rows, I'd be able to use the leftover LEDs for a small fixture on another tank. So I don't want to install all 3 rows in and end up only needing two. Plus I'm not drilling my heatsink, I'm going to be using the thermal adhesive to mount the LEDs.
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