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Search took 0.05 seconds. Search: Posts Made By: marsh
Forum: The Reef Chemistry Forum 01/11/2008, 11:59 PM
Replies: 11
Views: 5,459
Posted By marsh
Mucate - A salt of mucic acid. Boomer, I...

Mucate - A salt of mucic acid.

Boomer, I will read your post again in the morning. A bit of beer while installing new lighting mucks my mind.
Forum: The Reef Chemistry Forum 01/11/2008, 01:37 PM
Replies: 11
Views: 5,459
Posted By marsh
Randy, In your mind would it be OK to mix a...

Randy,

In your mind would it be OK to mix a batch of seawater to the same salinity as the bag water and then take the new fish/coral straight from the bag to the new mixed batch? I have some...
Forum: The Reef Chemistry Forum 01/10/2008, 05:09 PM
Replies: 26
Views: 2,752
Posted By marsh
Randy, Since this Purigen and GFO topic...

Randy,

Since this Purigen and GFO topic startedI have been wondering about a forced flow system with relatively high flow such as a Hagen Fluval system using Purigen in one chamber then their...
Forum: Lighting, Filtration & Other Equipment 01/09/2008, 04:50 PM
Replies: 8
Views: 1,016
Posted By marsh
I don't believe you want to control pH with...

I don't believe you want to control pH with additives. Generally, kalk and Ca reactors are for Ca and Alk supplementation not for pH control. Kalk will temporarilly raise pH until the tank...
Forum: Advanced Topics 01/08/2008, 10:06 AM
Replies: 7
Views: 5,128
Posted By marsh
Here are my thoughts 1. You may consider...

Here are my thoughts

1. You may consider getting a PAR meter rather than a lux meter
The Apogee Instruments' Model QMSW-SS (with optional BNC connector) has been recommended but I think they...
Forum: Advanced Topics 01/07/2008, 01:15 PM
Replies: 20
Views: 6,830
Posted By marsh
BTW my suggestion is moot because MRC dual Ca...

BTW my suggestion is moot because MRC dual Ca reactors do not have a pH probe port for either chamber. But should mmotown wish to a probe port could be purchased and a hole drilled in the top to seat...
Forum: Advanced Topics 01/07/2008, 12:10 PM
Replies: 20
Views: 6,830
Posted By marsh
Randy, I agree the to regulate Ca reactor...

Randy,

I agree the to regulate Ca reactor variables so as to match system alkalinity consumption with Ca reactor alkalinity output given calcium levels do not rise. My arguement has to do with...
Forum: Advanced Topics 01/06/2008, 08:02 PM
Replies: 20
Views: 6,830
Posted By marsh
Right now it appears you are OK. The risk I see...

Right now it appears you are OK. The risk I see you having is inappropriatly lowering pH by increasing your CO2 bubble rate. pH in the 1st chamber should not fall below 6.4-6.5 in order to avoid...
Forum: Advanced Topics 01/06/2008, 01:34 AM
Replies: 20
Views: 6,830
Posted By marsh
I believe according to directions of the MRC dual...

I believe according to directions of the MRC dual chamber Ca reactor that 2nd stage effluent will be .3-.5 pH units greater than the 1st chamber. So it sounds like you are OK.

One...
Forum: Advanced Topics 01/05/2008, 12:19 AM
Replies: 45
Views: 3,046
Posted By marsh
OK generator check. How do I protect an...

OK generator check.


How do I protect an electronic ballast when the generator goes on?
Forum: Lighting, Filtration & Other Equipment 01/04/2008, 01:36 PM
Replies: 9
Views: 1,095
Posted By marsh
Sfiligoi (http://www.aquariumobsessed.com/) ...

Sfiligoi (http://www.aquariumobsessed.com/)

Sfiligoi MH/T5 combo along with their ACLS system is fairly cool.
Forum: Lighting, Filtration & Other Equipment 01/04/2008, 01:11 PM
Replies: 13
Views: 479
Posted By marsh
Pacific Garden Supply...

Pacific Garden Supply (http://www.pacificgardensupply.com/products.asp?cat=13)

Pacific Garden Supply distributes Lumatek and Icecap Electronic ballasts.
Forum: Advanced Topics 01/03/2008, 08:51 PM
Replies: 6
Views: 859
Posted By marsh
24 hours :cool:

24 hours :cool:
Forum: Advanced Topics 01/02/2008, 11:14 AM
Replies: 7
Views: 1,383
Posted By marsh
http://calmit.unl.edu/people/drundquist/pdf/2005/M...

http://calmit.unl.edu/people/drundquist/pdf/2005/Mishra%202005%2060-1-48-64.pdf

For the scientifically inclined
Forum: Advanced Topics 01/02/2008, 10:07 AM
Replies: 7
Views: 1,383
Posted By marsh
Without any real optics knowledge I think.... ...

Without any real optics knowledge I think....

Light flux drops off in proportion distance squared for point sources of light

Reflectors in large degree are supposed to make the light rays...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 06:31 PM
Replies: 6
Views: 438
Posted By marsh
Actually there is a classic study by Kinzie...

Actually there is a classic study by Kinzie showing redder spectrum has lower growth in Montipora

"The in vitro cultures of zooxanthellae from M. verrucosa exhibited growth rates in light of...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 06:25 PM
Replies: 6
Views: 438
Posted By marsh
I think it is particularly interesting given...

I think it is particularly interesting given Riddle's 2002 article, using indirect fluorescence measurements of photosynthesis, which concluded essentially lamps with similar PAR would have similar...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 05:43 PM
Replies: 6
Views: 438
Posted By marsh
20K Lamps Better acropora growth

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T4D-4NNWCDX-3&_user=6488811&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=6488811&md5=85de1d3aa...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 04:22 PM
Replies: 7
Views: 495
Posted By marsh
No I have not seen any independant reviews just...

No I have not seen any independant reviews just Lumatek's brochures....I am a sucker for marketing I guess. However Pacific Garden Supply are offering Lumatek ballasts along with their Lumenarc...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 02:13 PM
Replies: 7
Views: 495
Posted By marsh
Chris, I just ordered 4 X 400w Lumatek...

Chris,

I just ordered 4 X 400w Lumatek E-Ballasts. E-Ballasts are electronic ballasts with a built in processor. Don't know what this does though. I am uncertain if electronic ballasts actually...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 11:48 AM
Replies: 2
Views: 231
Posted By marsh
What sort of interferance are you getting? Below...

What sort of interferance are you getting? Below is from marine depot in regard to need for a shielded output cord.

http://www.marinedepot.com/ps_ViewItem~idProduct~LK1115.html
"RF Shielded...
Forum: Lighting, Filtration & Other Equipment 12/31/2007, 11:27 AM
Replies: 0
Views: 268
Posted By marsh
"E-Ballasts"

I am interested in opinions and knowledge regarding E-Ballasts. I know the Ballast thread defines the various ballast types but it does not address Electronic vs E-Ballasts. What's the scoop? Is...
Forum: Lighting, Filtration & Other Equipment 12/30/2007, 02:37 PM
Replies: 353
Views: 111,950
Posted By marsh
"E Ballasts"

Electric 130 I have read a bit of this thread and it appears you favor 10K bulbs, DE bulbs, 250 W and magnetic ballasts. The 10 k issue is a matter of taste. I am interested in 20 k's and therefore...
Forum: Lighting, Filtration & Other Equipment 12/30/2007, 11:41 AM
Replies: 14
Views: 560
Posted By marsh
HappyReefing is out of buisness

HappyReefing is out of buisness
Forum: Lighting, Filtration & Other Equipment 12/30/2007, 12:31 AM
Replies: 4
Views: 316
Posted By marsh
BTW Pacific Garden Supply, of Lumenarc fame, is...

BTW Pacific Garden Supply, of Lumenarc fame, is now offering Lumatek ballasts. Aparently Lumatek has also changed their name to LumenAce.
http://www.pacificgardensupply.com/products.asp?cat=13
...
Showing results 1 to 25 of 334
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