There are plenty of aquarium lighting ibles available including those are which includes plexi glass and hooking plenty of LEDs to get the effect and trust me they look good and plenty of time too and more probability of messing and maintenance ,moonlight is my favorite.
What this ible shows the same with less amount of hard-work :P
NOTE : am extremely sorry for low resolution pics and video since am out of town and this is what i have in my dropbox. The effect is more visible in actuality.
This is the final output
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Step 1: Requirements
1Watt LED (BLUE) x 2
1Watt LED (RED) x 2
(reason for choosing these two colors cause these give extremely nice purplish color which enhances Fish and ornaments color)
2> AC-DC Adapter
3> Connecting Wires
Plexi glass (optional)
(these are optional since designed can be tweaked to greater extent suiting ones needs)
Step 2: Schema - Circuitry
Red LED need different Voltage to LIT than BLUE. So, when red and blue are attached in parallel the one with Red will draw the entire current since have lowest voltage and will LIT and may burn. So rather than brainstorming with resistors what i found out is to use in series with other LEDs.
Now, in the schema we see a swap of both LED Blue on top in left and Red on top on right since using one type of LED at one end will concentrate the entire color to one side thus both colors might get visible and harder to mix. So, a swap will do a great job.
Since, now each parallel strip will need 9v to LIT bright.
In TOP View
The center rod is the aluminium rod which i pulled out from hanger. The two strips on which LEDs are attached are acrylic strips which will give them separation.
Step 3: Connection & Testing
As shown in the schema it is really easy to connect and test. If you notice that none of the LED are lit than terminals must be swapped. If either one strip of LED are lit than must look for connectivity with the other strip.
Please look into the images for clear understanding of those connections. Have added plenty of tags on images to get a clear picture and how i connected
Step 4: Final Result and Am IMPRESSED !!!!!!!!
The images are ripped from video so they are not clear and somewhat pixelated. The outcome is more attractive than what we see in images, this is cause of auto stabilization in my mobile.
Hope my ible will be able helpful to other.
Lastly, these lighting was done a year back and is still working great. One may replace these 4 LEDs with LED strips and can have full control over the color using those IR remote, will surely do this in coming few months and post an ible but surely the cost will increase but is way less than having a aquarium lights.