I have one for my 75. Or should I say HAD one for my 75. Actually I have 2 75's. I put the LED on my 75 with pressurized co2 and in about 2 weeks my once deep red plants have gone either pink or green and soon had BBA over everything. After I fixed that mess I put my 3 bulb t5Ho Catalina fixture back on and it was back to normal. I'm going to put the fugeray2 on my other 75 that has low light plants and no co2 and see what happens.