Clams/Lighting

**vtec si** · 02-20-2003, 01:31 PM

I want to try clams but I do not know if my lighting is sufficient.
I have 7 140 watt VHOs over a 200 gal system. Is this sufficient?

Thanks,

VTEC SI

**Barry N.** · 02-26-2003, 07:32 PM

Am surprised no one has answered you.

I am not a expert on lighting but will try to answer your question. It's not the watts that count but the par or intense lighting to penitrate the water depth.

Barry

**chet-tonja** · 02-27-2003, 11:49 AM

I think you could try a squamosa or deresa with no problem. I wouldn't try a crocea or maxima though...JMO

**dougchambers** · 02-27-2003, 06:27 PM

I would think you could have a Derasa without any problems. We used to have two Derasa's under 220W of PC in our 30. They are much happier under 660 of VHO in our 75! We have 2 Derasa and 4 Maxima under VHO. Most will tell you that you should have MH to keep Maxima. I would say generically that is correct, but I will also say that I know a number of people that have been VERY sucessful in VHO only settings.

A couple of other things to consider...

How old is your tank?
What else is in your tank?
What is your equipment set like? (Ca Reactor, Nielson Reactor, etc.)

Clams are a wonderful thing! I just will we had a bigger tank for more of them...

Doug

**vtec si** · 03-03-2003, 10:39 PM

Thanks guys. This will help with my decision!

**Captain Clam** · 03-04-2003, 12:14 PM

I think you will be fine with derasa and squamosa. I also think you could keep a maxima as long as it isn't more than 12-15" below the lights. I have derasa, maxima, squamosa and one crocea all showing excellent growth under VHO's.

**superswimmer** · 03-24-2003, 08:55 PM

I would like to try my hands on a clam, would this lighting be sufficent?
36" 2x 96W Corallife Aqualight PC hood 1x Actinic and 1x10,000K

**zack s** · 03-24-2003, 09:12 PM

tankl size?

**traveller7** · 03-24-2003, 10:48 PM

Gotta follow the latest question because you have plenty of lighting for all but the most demanding species if your tank is shallow enough.

Please post depth and even the K rating of the tubes. It would seem testing of some VHO combo's produce much greater output then others.

Best of luck.

**superswimmer** · 03-25-2003, 08:04 PM

the tank depth is 18in a 47 gall bowfront

**ADS** · 03-29-2003, 06:09 PM

vtec si-
980W VHO @ about 5-6000 lumens per tube should be equivalent to the intensity of 2-250W MH. The type of bulbs whether actinic or full spectrum( <10K) will determine the Par values. I would think that you could keep all of the above including a Maxima. Crocea might be a problem. Do you have a picture of your tank? adam

**superswimmer** · 03-30-2003, 02:10 PM

nope sorry

**superswimmer** · 03-30-2003, 02:24 PM

sorry did you say that my lighting could support a clam?!

**ADS** · 03-30-2003, 05:58 PM

superswimmer-
you should be able to keep a Derasa or possibly a Squamosa. I have 96W power compacts on a tank I maintain. If you keep the clam high in the water column it should be OK. Start with a Derasa. Some are quite nice! Adam

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