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Reply With QuoteI used them when my 20K's were on. I guess they wouldn't be necessary, I also used them for the dawn-dusk effect. I guess it would run down to personal preference.
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- 10-14-2007 08:19 PM #1Citizen
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Using 20k MH - Is VHO Super Actinic Needed?
I recently switched from 2 400w 10k's to 2 400w 20k's. I also use two VHO Super Actinics. Is it necessary to continue to use the VHO's? I turned them off and could hardly tell the difference.
125 Acrylic Tank 48x24x24
Approx 20 gal Sump/Refugium
Refugium has 12 light with 55watt PC
2x 400w MH 20k lights running 9hrs/day
2x 110w VHO Super Actinics running 12hrs/day
Calcium Reactor
Kalk drip with top-off
Closed loop Sequence Dart Pump 12hrs/day
Mag 7 Circulation pump 24/7
Kent salt
10 gal water change bi-weekly
Temp ranges: 77 - 85
Nitrate/Nitrite/Ammon: 0
PH: 8.0
P04: 0
Ca: 380
dkh: 7
Mag: 1350
- 10-14-2007 10:18 PM #2Keeper of Willis
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Re: Using 20k MH - Is VHO Super Actinic Needed?
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- 10-15-2007 12:43 AM #3Contributing Member
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Re: Using 20k MH - Is VHO Super Actinic Needed?
I think it would be nice to keep them even if you don't visually notice a difference. I prefer to ramp lights up and down throughout the day though.
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