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Iwasaki 250W lamp color

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Subject Author Date
Iwasaki 250W lamp color erik 10-05-2005
Posted by erik on October 5, 2005, 11:07 pm
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Hello all.
I'm researching the 6500K 250 W Iwasaki lamp.
I've read that the R version is a little bluer. Supposedly it
measures in closer to 7200K but after reading some reviews and seeing
a picture of a reef tank lit by one, I'm concerned about it being a
little too yellow. Some sources say that it is THE perfect bulb and
has great color. Others say that it's too yellow/green.

Anyone have any experience with this? I'd likely supplement with
actinic CF anyway but would like to do so minimally.


Thanks,
Erik


Posted by erik on October 6, 2005, 1:31 am
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One more question here.
I've been using VHO for the last 10 years. This will be my first MH
setup. The plan is to use a 250W HM and a 65W CF actinic (maybe 95W)
on a 65 Hex.
Am I still going to get the ripple effect from the point source if I
use the CF too?



wrote:

>Hello all.
>I'm researching the 6500K 250 W Iwasaki lamp.
>I've read that the R version is a little bluer. Supposedly it
>measures in closer to 7200K but after reading some reviews and seeing
>a picture of a reef tank lit by one, I'm concerned about it being a
>little too yellow. Some sources say that it is THE perfect bulb and
>has great color. Others say that it's too yellow/green.
>
>Anyone have any experience with this? I'd likely supplement with
>actinic CF anyway but would like to do so minimally.
>
>
>Thanks,
>Erik
>


Posted by Wayne Sallee on October 6, 2005, 2:10 am
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Yes

Wayne Sallee
Wayne@WayneSallee.com

erik wrote:
> One more question here.
> I've been using VHO for the last 10 years. This will be my first MH
> setup. The plan is to use a 250W HM and a 65W CF actinic (maybe 95W)
> on a 65 Hex.
> Am I still going to get the ripple effect from the point source if I
> use the CF too?
>
>

Posted by RicSeyler on October 6, 2005, 11:24 am
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Yea you will still get the ripples, but the actinic will diffuse it a
little, but not too much.

erik wrote:

>One more question here.
>I've been using VHO for the last 10 years. This will be my first MH
>setup. The plan is to use a 250W HM and a 65W CF actinic (maybe 95W)
>on a 65 Hex.
>Am I still going to get the ripple effect from the point source if I
>use the CF too?
>
>
>
>wrote:
>
>
>
>>Hello all.
>>I'm researching the 6500K 250 W Iwasaki lamp.
>>I've read that the R version is a little bluer. Supposedly it
>>measures in closer to 7200K but after reading some reviews and seeing
>>a picture of a reef tank lit by one, I'm concerned about it being a
>>little too yellow. Some sources say that it is THE perfect bulb and
>>has great color. Others say that it's too yellow/green.
>>
>>Anyone have any experience with this? I'd likely supplement with
>>actinic CF anyway but would like to do so minimally.
>>
>>
>>Thanks,
>>Erik
>>
>>
>>
>
>
>

--
Ric Seyler



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Yea you will still get the ripples, but the actinic will diffuse it a
little, but not too much.<br>
<br>
erik wrote:<br>
<blockquote type="cite"
cite="midced9k11a2ebuml9cs36qtuippd8kisnohg@4ax.com">
<pre wrap="">One more question here.
I've been using VHO for the last 10 years. This will be my first MH
setup. The plan is to use a 250W HM and a 65W CF actinic (maybe 95W)
on a 65 Hex.
Am I still going to get the ripple effect from the point source if I
use the CF too?



On Wed, 05 Oct 2005 22:07:21 -0500, erik <a class="moz-txt-link-rfc2396E"
wrote:

</pre>
<blockquote type="cite">
<pre wrap="">Hello all.
I'm researching the 6500K 250 W Iwasaki lamp.
I've read that the R version is a little bluer. Supposedly it
measures in closer to 7200K but after reading some reviews and seeing
a picture of a reef tank lit by one, I'm concerned about it being a
little too yellow. Some sources say that it is THE perfect bulb and
has great color. Others say that it's too yellow/green.

Anyone have any experience with this? I'd likely supplement with
actinic CF anyway but would like to do so minimally.


Thanks,
Erik

</pre>
</blockquote>
<pre wrap=""><!---->
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="85">--
Ric Seyler

</pre>
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Posted by kim gross on October 6, 2005, 4:20 am
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erik wrote:
> Hello all.
> I'm researching the 6500K 250 W Iwasaki lamp.
> I've read that the R version is a little bluer. Supposedly it
> measures in closer to 7200K but after reading some reviews and seeing
> a picture of a reef tank lit by one, I'm concerned about it being a
> little too yellow. Some sources say that it is THE perfect bulb and
> has great color. Others say that it's too yellow/green.
>
> Anyone have any experience with this? I'd likely supplement with
> actinic CF anyway but would like to do so minimally.
>
>
> Thanks,
> Erik
>
Well, that is a hard question to answer, because only you will know if
it is to yellow or green for you. Personally, I don't like the looks of
a tank that is lit by the eye bulbs without lots of actinic. But if you
want fast growing corals, it is one of the best bulbs you can get.

With your 65 watt PC actinic it will still not be a very blue light,
since your 65 watts is not going to do much against a 250 watt MH bulb.

Now the Eye bulb is a great bulb, lasts a long time, puts out lots of
PAR, just not real pretty, but its price and life and PAR output make it
a very popular bulb for coral farms.

Kim


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