Sun light as a daylight.

[chefrt]

I’m going to move my tank soon after my rock finish curing. My plan is I going to place my tank at the glass panel at the wall. This glass is about 4in thick, 2ft L and 6ft H, and not the clear glass so only 30% to 40% the sun light will be go thorough to the tank and also the sun is not direct pointing to this glass. With this I can reduce of using light during daytime. My concern is this ok to the tank, how about algae.

[PallidSilversky]

I would be worried about not being able to regulat the temp, and the algae problems. IMO if you wanted to keep corals, I don't think that this would provide enough light for them in the aquarium situation.

[chefrt]

The heat and temperature will be no problem because I used chiller to control temp, and also this will be no direct sunlight through this glass. For your info my tank 4ft wide and the glass panel it only 2ft wide, so I place in the tank in the middle.

For the water I used FSW collect it from the sea and for top-up using RO water.

This tank about 2 yr plus. I have to move the tank because of the maintenance quiet difficult in the present place. The new LR, this is because I need to add more LR to the tank.

I still used normal light, using sunlight only to reduce using normal light, now my light will be switch on,
1st at 10am till 10pm
2nd at 10.30 am till 10.30 pm
3rd at 11.00 am till 11.00 pm

I plan to change to:
1st at 12.00 pm till 10pm
2nd at 12.30 pm till 10.30 pm
3rd at 1.00 pm till 11.00 pm

[Lordhelmet]

check out this thread.

http://www.reefcentral.com/forums/showthread.php?s=&postid=9073471#post9073471

[dippin61]

algae issues using sunlight are myth. There are plenty of people and coral farms that use only direct sunlight for their lights.

algae cant grow without nutrients.

[chefrt]

Lordhelmet.

Thank for the link, it full of information.

<a href=showthread.php?s=&postid=9232663#post9232663 target=_blank>Originally posted</a> by dippin61
algae issues using sunlight are myth. There are plenty of people and coral farms that use only direct sunlight for their lights.

algae cant grow without nutrients.

So the algae are not a problem when using direct sunlight, control nutrient to proven algae blooming, that I can handle, not a problem.
I will proceed with plan to place the tank at the glass panel to receive sunlight