Eric,what a difference those T5 IceCap reflectors make.I've been useing the Tek T5 reflectors which are individual parabloics just like the IceCap's are.However,IC used a slightly larger width on there SLR's as well as they are longer than the Tek's.IceCap's SLR's
extend all the way down the bulb to the endcap.The Tek reflectors are shorter,they leave about 1.5" of visible bulb on each side of the endcap.I just installed my 4x54wT5's on my 75gal,I am very impressed with these reflectors.
t5 - The benefits of good reflectors...