the shimmer is actualy nice and benificial in some theorys. no need to flatten out the light unless you don't like the look of the shimmer but even so it will still be there as a PC or VHO isn't stong enuf to get rid of it.
the only PC or VHO I would work into a MH system is actinics to adjust the color to how you like it.
Oh if you don't like the shimmer then just calm down the surface water in the tank as it is from the reflection from the water ripples.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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