Distance bet. bulbs & water surface?

Davo · 12-12-2003, 09:46 AM

Gday,

I am about to install 5 or 6 x 55w (still undecided how many watts required) PC bulbs with AH Supply reflectors over my 120g tank (4x2x2).

What height should I install the bulbs above the water surface? BTW I have an open top tank.

Thanks,
Dave.
Sydney
Australia.

**GulfCoastAquarian** · 12-12-2003, 12:42 PM

Mine are about 4" from the surface.

malkore · 12-12-2003, 11:13 PM

You really should have a glass barrier between the water and the bulbs. those kits aren't designed to be operated over an open surface, as the humidity can cause problems.

12-12-2003, 12:42 PM	#2
GulfCoastAquarian Planted Tank VIP (View User Tanks) PTrader: (6/100%) Join Date: Jul 2002 Location: Winston-Salem, NC Posts: 3,577	Mine are about 4" from the surface. __________________ - Sam P - plantedtanker in limbo - all tanks currently in storage

12-12-2003, 11:13 PM	#3
malkore Planted Tank Guru (View User Tanks) PTrader: (0/0%) Join Date: Nov 2003 Location: Lincoln, NE Posts: 2,165	You really should have a glass barrier between the water and the bulbs. those kits aren't designed to be operated over an open surface, as the humidity can cause problems. __________________ Malkore Filstar XP2 PIMP #3 Visit my aquarium pages - see specs on my tanks, and photos of how they've evolved

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12-12-2003, 09:46 AM	#1
Davo Algae Grower (View User Tanks) PTrader: (0/0%) Join Date: Aug 2003 Location: Sydney, Australia Posts: 23	Gday, I am about to install 5 or 6 x 55w (still undecided how many watts required) PC bulbs with AH Supply reflectors over my 120g tank (4x2x2). What height should I install the bulbs above the water surface? BTW I have an open top tank. Thanks, Dave. Sydney Australia.