Par readings- Another disapointment

i think they are around 8-10 months. They will be getting replaced end of summer. Or maybe switching to led :spy:
 
So i decided to randomly check my high power stream light flash light that i have. Par at 2" is 1600 lol. Par almost touching maxed the meter lol
 
Something's wrong here. If you are using a combination of ATI bulbs - Blue+, Aquablue/Coral+, Purple+, I would expect the top of your tank to be roasting with PAR if the fixture is sitting on the tank. My 6 bulb Sunpower about 8" above the water line gives me 500-600 PAR about 6" below the surface. If you are using ATI bulbs, check your reflectors and make sure they are clean. If it's the reflectors that are not good, I'd see if you can retrofit your fixture with better ones IMO.
 
Something's wrong here. If you are using a combination of ATI bulbs - Blue+, Aquablue/Coral+, Purple+, I would expect the top of your tank to be roasting with PAR if the fixture is sitting on the tank. My 6 bulb Sunpower about 8" above the water line gives me 500-600 PAR about 6" below the surface. If you are using ATI bulbs, check your reflectors and make sure they are clean. If it's the reflectors that are not good, I'd see if you can retrofit your fixture with better ones IMO.

Either that or dude lied that sold him fixture and bulbs old as dirt
 
Two things here, you say bulbs are 8-10 months old. If you research this matter you will find that bulbs lose about 30% PAR in a year use in superior fixtures like ATI with active cooling. Change your bulbs and I am sure your PAR numbers will increase. Also not having individual reflectors in your fixture compounds the problem. You're losing about another 10-15% by not having them. That's why higher end fixtures cost more but also perform a lot better. Having 400 PAR is maybe good for mixed reef but for SPS to thrive you need a little more. If you look at my tank that was featured here , my PAR was over 900 at the surface and about 600 in the middle. I did change my bulbs every 8 months to keep the PAR stable.
 
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