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Posts Made By:
MCsaxmaster
Forum:
SPS Keepers
12/31/2007, 10:13 PM
Replies:
30
What amino acid supplement for low nutrient system
Views:
2,378
Posted By
MCsaxmaster
It's a very neat study that hasn't received...
It's a very neat study that hasn't received enough follow-up IMHO. What else would you like to know? ;)
Chris
p.s. My one claim to fame is that Alina is my advisor, haha
Forum:
Advanced Topics
12/30/2007, 04:20 AM
Replies:
3
Lifespan of corals
Views:
963
Posted By
MCsaxmaster
Some appear to be theoretically immortal. Some...
Some appear to be theoretically immortal. Some appear to senesce and supposedly the genes for senescense have been found in some corals.
Once they actuall reach a size where we can see them, most...
Forum:
The Reef Chemistry Forum
12/30/2007, 04:07 AM
Replies:
3
Feedback for Science Fair Project Idea
Views:
303
Posted By
MCsaxmaster
I think it's a wonderful idea. Do you have access...
I think it's a wonderful idea. Do you have access to a balance? Her school might have some decent balances if need to find one.
The easiest way to ensure a similar concentration (though not...
Forum:
The Reef Chemistry Forum
12/30/2007, 03:31 AM
Replies:
10
Lowering Alk
Views:
446
Posted By
MCsaxmaster
Agreed, just stop dosing whatever you're dosing...
Agreed, just stop dosing whatever you're dosing for alkalinity and wait a couple of days. It should drop on its own due to calcification.
Forum:
SPS Keepers
12/29/2007, 01:52 AM
Replies:
183
Sticky:
Let's talk about Alkalinity, Calcium and Magnesium in an SPS Tank
Views:
95,195
Posted By
MCsaxmaster
pH is positively correlated with total alkalinity...
pH is positively correlated with total alkalinity and negatively correlated with total CO2. Raise total alkalinity, everything else equal, and you'll raise pH. Raise total CO2, everything else equal,...
Forum:
Advanced Topics
12/29/2007, 01:26 AM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
Yeah, this has been a pervasive...
Yeah, this has been a pervasive myth/misunderstanding. With many such misunderstandings (e.g., zooxanthellae give corals their pretty colors) there is limited potential to cause harm to the actual...
Forum:
Advanced Topics
12/28/2007, 06:00 PM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
I couldn't say. I can say that the UV is not...
I couldn't say. I can say that the UV is not benefitting a person by causing the corals to produce more colorful proteins though (possibly with the exception of GFP, but that isn't even...
Forum:
SPS Keepers
12/28/2007, 12:44 AM
Replies:
183
Sticky:
Let's talk about Alkalinity, Calcium and Magnesium in an SPS Tank
Views:
95,195
Posted By
MCsaxmaster
No, with lower alkalinity the pH will be lower,...
No, with lower alkalinity the pH will be lower, all other things being equal. If pH here really is lower when the alkalinity is higher, then CO2 must covary with alkalinity in this case. Hence, the...
Forum:
Advanced Topics
12/28/2007, 12:34 AM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
Zoox. density shows no significant variation over...
Zoox. density shows no significant variation over a large range of depths (and hence light intensity). Zoox. density tends to vary with N availability, not light availability. Instead, in lower light...
Forum:
Advanced Topics
12/28/2007, 12:29 AM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
Indeed, some kinds of glass may be more or less...
Indeed, some kinds of glass may be more or less ideal for use in a greenhouse intended to grow corals. Personally, I'd look for something with good light transmission and probably some ability to...
Forum:
Advanced Topics
12/27/2007, 06:46 PM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
Essentially all of it suggests that these...
Essentially all of it suggests that these proteins don't have a role in shielding against UV. They simply don't absorb much UV, hence they physically cannot work as a UV screen. The pigments also...
Forum:
Advanced Topics
12/27/2007, 06:40 PM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
I've never spoken with Anthony about this. I'd be...
I've never spoken with Anthony about this. I'd be happy to talk with him and anyone about this topic though.
Experience growing corals does not make GFP-like proteins absorb significant amounts of...
Forum:
SPS Keepers
12/27/2007, 06:40 AM
Replies:
30
What amino acid supplement for low nutrient system
Views:
2,378
Posted By
MCsaxmaster
If I were a rather unscrupulous individual, I...
If I were a rather unscrupulous individual, I could make a lot of money off of reefers willing to throw money at magic bullets. I'm not sure why people are so willing to believe that magic...
Forum:
SPS Keepers
12/27/2007, 03:52 AM
Replies:
1
Frag Fire Coral???
Views:
566
Posted By
MCsaxmaster
They're very ammenable to fragmentation, if you'd...
They're very ammenable to fragmentation, if you'd like to go that route. You can just break off a piece and super-glue it to a rock, as with other corals.
Forum:
SPS Keepers
12/27/2007, 03:49 AM
Replies:
20
Pocillopora damicornis. Good or bad idea?
Views:
1,491
Posted By
MCsaxmaster
Ha, I'm not sure I can fathom how a coral...
Ha, I'm not sure I can fathom how a coral reproducing in my tank could be a bad thing ;)
Generally speaking there need to be at least 2 reproductive colonies to get fertilization. There is some...
Forum:
Advanced Topics
12/27/2007, 03:37 AM
Replies:
8
How is the water movement ....
Views:
1,258
Posted By
MCsaxmaster
Agreed with most of what's been said: there isn't...
Agreed with most of what's been said: there isn't a consistent day/night pattern in water flow over a reef. The lunar cycle and hence tidal flow is very important. Regional and local weather patterns...
Forum:
Advanced Topics
12/26/2007, 10:36 PM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
If it takes supplemental lighting in a greenhouse...
If it takes supplemental lighting in a greenhouse to get the corals to become colorful, then they aren't getting enough visible light. UV light has nothing to do with it. If folks with UV-blocking...
Forum:
Advanced Topics
12/19/2007, 10:33 PM
Replies:
26
Why Blue Light?
Views:
2,973
Posted By
MCsaxmaster
Wow, okey dokey there's a tad of misinformation...
Wow, okey dokey there's a tad of misinformation above.
The zooxanthellae in corals use chlorophyll a as their primary light harvesting pigment, but have a variety of other accessory pigments which...
Forum:
The Reef Chemistry Forum
12/14/2007, 04:01 AM
Replies:
46
Still confused about PH
Views:
2,093
Posted By
MCsaxmaster
Fair enough. For everything below, these are...
Fair enough. For everything below, these are relative changes. The absolute change in pH depends, obviously, on how much supplement is dosed at a time.
Kalkwasser, Ca(OH)2: raises pH a lot...
Forum:
SPS Keepers
12/14/2007, 03:19 AM
Replies:
6
How much light ?
Views:
541
Posted By
MCsaxmaster
Depending on the corals you want to keep, more...
Depending on the corals you want to keep, more light may serve you well, but the designations "sps" and "lps" are COMPLETELY meaningless when it comes to lighting requirements. What really counts in...
Forum:
SPS Keepers
12/14/2007, 03:11 AM
Replies:
30
What amino acid supplement for low nutrient system
Views:
2,378
Posted By
MCsaxmaster
Particulate food will be your best bet for...
Particulate food will be your best bet for delivering amino acids to your corals.
Forum:
The Reef Chemistry Forum
12/14/2007, 02:51 AM
Replies:
46
Still confused about PH
Views:
2,093
Posted By
MCsaxmaster
For all struggling to make sense of the two, I'd...
For all struggling to make sense of the two, I'd perhaps consider the effects in this way:
pH is the balance of two opposing forces. As CO2, which forms H2CO3 in small amounts (weak acid), tends...
Forum:
The Reef Chemistry Forum
12/14/2007, 02:22 AM
Replies:
6
Constant water changes with concentrated salt water
Views:
418
Posted By
MCsaxmaster
Over a short period of time you might get away...
Over a short period of time you might get away with such a salty solution without major precipitation of any of the solutes. Over the long term, as mentioned, things like CaCO3 will precipitate out...
Forum:
The Reef Chemistry Forum
12/14/2007, 02:19 AM
Replies:
5
Testing cold salt water
Views:
367
Posted By
MCsaxmaster
Well, technically the answer actually depends on...
Well, technically the answer actually depends on how you are measuring concentration. Typically in the hobby we measure these parameters in parts per million (which is a mass comparison) but we...
Forum:
Advanced Topics
12/09/2007, 01:52 PM
Replies:
77
Raising magnesium to control algae
Views:
10,176
Posted By
MCsaxmaster
45commando, Actually, I'd suggest that they,...
45commando,
Actually, I'd suggest that they, and other grazers, may well be the cure. Algae goes bananans on natural coral reefs if the grazers are removed. Nutrient availability, in most cases,...
Showing results 1 to 25 of 500
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