I have 2 mp40's and 1 mp10 in one 77 gal tank.I have no noise except for an occasional snail getting beat up. No experience with Nero.
The Mp10 and one Mp40 I bought used. All three were upgraded to bluetooth. Once Mobius was enabled,I had less noise.
I have been using one of these for several months. Great tool that has built in timers and always has the cuvette inserted the same way each time. The Ca2 reading is way off so I use Salifert for that one measure. It automatically saves all tests in its history. I haven't had much success with...
I have the ATI Hybrid with 8 t-5's and 4 LED pucks each with 8 LED's. I can switch it all around remotely thru my iPhone or my MacBook Air m2. No shadows or hot spots. ATI doesn't provide much support on how to control the lights.it is expensive, a little less then comparable all LED'S.