Re: [GSAS-Member] Subject: Which Bulb

["Clifford Miller" <clifford@clevergeek.com>]

I'm not sure if this has something to do with the type of bulb used or the
specific plants grown, but I've grown a wide variety of vegetables and
aquatics under 10,000k metal halides.

Not all bulbs are created equal.  Many brands of marine bulbs will look
"more blue" than others of similar ratings.  Some 10,000k's will even look
more blue than actinics.

Cliff


> 6500 K is best for growing plants Shango. 10,000k or Actinic will do
> nothing
> but look blue; it won't help your plants grow at all. I know from
> experience.
>
> Susan
>
> -----Original Message-----
> From: gsas-member-bounces@thekrib.com
> [mailto:gsas-member-bounces@thekrib.com] On Behalf Of Shango Los
> Sent: Saturday, November 22, 2008 3:07 PM
> To: Greater Seattle Aquarium Society member chat
> Subject: Re: [GSAS-Member] Subject: Which Bulb
>
> I do like the look of the light and how the tank looks.  I wonder if there
> could be a better spectrum for the plants though.
>
>
> On 11/22/08 2:34 PM, "Seattle_Aquarist" <Seattle_Aquarist@comcast.net>
> wrote:
>
>> Hi Shango,
>>
>>
>>
>> I think you have a good combination.  I run 6700k over my tanks and the
>> plants seem to do well.  I have seen photos of aquariums with the GE
>> 9325k
>> bulbs (which look very good and are supposed to be good for plant
>> growth)
>> but unfortunately they are not available in all wattages and/or pin
>> configurations.  I would figure that your 6700k / 10000k combination
>> would
>> give you a spectrum of approximating 8300k, do you like the look and do
> your
>> plants grow well?
>>
>>
>>
>> Roy
>>
>>
>>
>>
>>
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>
> --
> Shango Los
>
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