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Search: Posts Made By: sorenb
Forum: Reef Discussion 04/20/2005, 07:14 AM
Replies: 30
Views: 1,315
Posted By sorenb
Electric current is likely to corrode the metal...

Electric current is likely to corrode the metal acting as electrode (and release the metal into the water). IMHO if you've had 800 mA for 1hr, you have now large amounts of metal ions in your water....
Forum: Reef Discussion 08/31/2004, 11:47 AM
Replies: 7
Views: 173
Posted By sorenb
My sailfin eats all the "leaves" of caulerpa...

My sailfin eats all the "leaves" of caulerpa taxifolia, but not the stem.
Remaining stems float behind the rocks and seems dead, but they don't decompose very fast.

sorenb
Forum: Reef Fishes 06/18/2004, 03:04 AM
Replies: 19
Views: 596
Posted By sorenb
Great that he is eating! Probably there are pods...

Great that he is eating! Probably there are pods in/on the algea that supplies him with some meaty snacks.

Good luck with him, and don't forget to update if he begins to eat brine or frosen...
...
Forum: Reef Fishes 06/12/2004, 10:53 AM
Replies: 19
Views: 596
Posted By sorenb
Hi Jaffa, Can you relay their answer? I like...

Hi Jaffa,

Can you relay their answer? I like this fish a lot, but since I had one die on me in the beginning of my reef tank, I'm not so keen on getting another without being sure that I can...
Forum: Reef Discussion 06/10/2004, 12:53 PM
Replies: 2
Views: 232
Posted By sorenb
Worked fine for me several times. sorenb

Worked fine for me several times.

sorenb
Forum: Reef Discussion 06/10/2004, 12:35 PM
Replies: 4
Views: 283
Posted By sorenb
-however, your 12 kW only lasts for a few...

-however, your 12 kW only lasts for a few microseconds since it is pulsed...

But more to the point: What colour does the phosphate appear to flouresce in?

It would be nice to have absorption...
Forum: Advanced Topics 06/09/2004, 02:41 PM
Replies: 14
Views: 397
Posted By sorenb
Do you have the same water parameters? Maybe...

Do you have the same water parameters?
Maybe the answer lie there. Could be very interesting to know!

Oh, and - do you feed the same _amount_ of food?
Light-schedule, are the lights on for the...
Forum: Reef Discussion 06/05/2004, 07:37 AM
Replies: 5
Views: 280
Posted By sorenb
In principle UV should be stopped in good measure...

In principle UV should be stopped in good measure by normal glass, depending on the thickness or number of layers.
Shade cloth lower the over-all light intensity for all wavelengths,
so it depends...
Forum: Reef Discussion 05/02/2004, 07:11 AM
Replies: 5
Views: 180
Posted By sorenb
A startled fish may be more likely to end up on...

A startled fish may be more likely to end up on the carpet, than in a deeper tank.
The evaporation/tank volume will be larger, so top-off is a little more critical.

Well, that's what I could...
Forum: The Lounge 04/16/2004, 04:28 PM
Replies: 0
Views: 104
Posted By sorenb
Question Going to NY, Manh. any good LFS to see?

I'm going to be in New York for a couple of days soon. I was wondering if there are any good LFS's to see?????

There are not so many of them here in Denmark.

sorenb
Forum: Advanced Topics 04/12/2004, 07:10 AM
Replies: 4
Views: 274
Posted By sorenb
The calibration fluid has a conductivitity of...

The calibration fluid has a conductivitity of 53.0mS, but is it a NaCl solution? If another salt is used in the fluid, the refractive index (measured by the refractometer) may not be what you would...
Forum: New to the Hobby 04/04/2004, 06:00 AM
Replies: 16
Views: 474
Posted By sorenb
Cyanoacrylate is used for gluing in surgery on...

Cyanoacrylate is used for gluing in surgery on humans.
Also works well on mushroom and leather corals :) (and many more).

sorenb
Forum: Fish Disease Treatment 04/04/2004, 05:35 AM
Replies: 8
Views: 147
Posted By sorenb
I have a false perc. in hospital tank at the...

I have a false perc. in hospital tank at the moment. It began having a raised brownish bump under the chin, shortly after being introduced to the main tank.
After a while (5-7 days maybe), a white...
Forum: The Reef Chemistry Forum 04/03/2004, 04:04 PM
Replies: 14
Views: 185
Posted By sorenb
Sorry, I forgot to negate the sentence somehow. ...

Sorry, I forgot to negate the sentence somehow.
Should have read: There exists _no_ form...

Oh well...

sorenb
Forum: The Reef Chemistry Forum 04/03/2004, 04:02 PM
Replies: 14
Views: 185
Posted By sorenb
http://www.webelements.com/webelements/compounds/t...

http://www.webelements.com/webelements/compounds/text/Na/Cl1Na1-7647145.html

Scroll down to see the picture with the crystal structure for Sodium Chloride...

sorenb
Forum: The Reef Chemistry Forum 04/03/2004, 04:00 PM
Replies: 14
Views: 185
Posted By sorenb
You are fast BraenDead! and I'm too slow. Must...

You are fast BraenDead! and I'm too slow.
Must be because you are a chemist, and not just a physicist like me. :)

sorenb
Forum: The Reef Chemistry Forum 04/03/2004, 03:59 PM
Replies: 14
Views: 185
Posted By sorenb
NaCl exists as a crystal in solid form. The...

NaCl exists as a crystal in solid form. The crystal is a cubic lattice made out of very large arrays of Na and Cl (which are fundamental elements).

There is no NaCl molecule as such - ie. like the...
Forum: The Reef Chemistry Forum 04/03/2004, 03:42 PM
Replies: 14
Views: 185
Posted By sorenb
Are you looking for the crystal structure of...

Are you looking for the crystal structure of Sodium Cloride??
If so, it is cubic, with Na on every second place.

I bet you would find something if you googled terms like crystal and sodium...
Forum: Reef Discussion 04/02/2004, 02:05 PM
Replies: 44
Views: 1,495
Posted By sorenb
Great thread, Here is a couple of mine. ...

Great thread,

Here is a couple of mine.

First a white sponge, which is not so white, but somewhat dirty. About an inch across:

http://www.eraserhead.dk/hvid.jpg

The orange splotches are...
Forum: The Lounge 03/31/2004, 11:57 AM
Replies: 6
Views: 309
Posted By sorenb
Are you sure they will send you more than 749...

Are you sure they will send you more than 749 mails???

sorenb
Forum: Reef Discussion 03/29/2004, 01:24 PM
Replies: 3
Views: 183
Posted By sorenb
Seahorses are easily stressed by fish that move...

Seahorses are easily stressed by fish that move around too much.

Cohabitants of seahorses must under _no_ circumstances be agressive, since the reaction of the seahorse is just to hang on and wait...
Forum: Reef Discussion 03/29/2004, 12:44 PM
Replies: 17
Views: 366
Posted By sorenb
saleencobra, there are so many parameters...

saleencobra, there are so many parameters involved in a reef system.

Eliminating as many parameters as possible from the beginning must surely be a reefers highest wish; so when something goes...
Forum: The Lounge 03/28/2004, 06:25 AM
Replies: 9
Views: 229
Posted By sorenb
No no no no! The power (wattage) is the same at...

No no no no! The power (wattage) is the same at all voltages (except for small losses - in the inverter fx.). Just use P=U*I

Anyway, 500 Watts is really a lot. If this is drawn from the generator...
Forum: New to the Hobby 03/06/2004, 03:37 AM
Replies: 5
Views: 204
Posted By sorenb
From the threads I've read, they stay alive for...

From the threads I've read, they stay alive for about 2 months and then they die of starvation. Their arms fall off one by one (I've seen it at my lfs).
They are filter feeders, and it is virtually...
Forum: Reef Discussion 03/03/2004, 02:08 AM
Replies: 4
Views: 240
Posted By sorenb
Siphon them out. You must be able to reach them...

Siphon them out.
You must be able to reach them with a flexible hose?
Otherwise, blow water at the bunnies, so they will settle elsewhere, and then siphon out.

That's what I did.

-sorenb
Showing results 1 to 25 of 90

 
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