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Search: Keyword(s): ; Posts Made By: zdnet
Forum: Equipment 07-06-2013, 02:40 AM
Replies: 34
Views: 2,008
Posted By zdnet
And who _alleged_ that UV has the potential to...

And who _alleged_ that UV has the potential to cure? Not Diana Walstad's article. Not any postings in this thread. Not anyone here. So why kept arguing that UV is not a cure?


As to myco...
Forum: Equipment 06-16-2013, 01:15 AM
Replies: 34
Views: 2,008
Posted By zdnet
Are you suggesting that some of what is in the...

Are you suggesting that some of what is in the 2002 publication are no longer valid?




As stated in Diana's article, UV did allow her infected fish to recover. It also stopped the spread of...
Forum: Equipment 06-15-2013, 05:11 AM
Replies: 34
Views: 2,008
Posted By zdnet
Mycobacteria are relatively common environmental...

Mycobacteria are relatively common environmental bacteria. They have been isolated from drinking water supplies, swimming pools, coastal waters, and aquaculture facilities....
Forum: Shrimp & Other Invertebrates 06-15-2013, 02:52 AM
Replies: 20
Views: 865
Posted By zdnet
???

???
Forum: Equipment 06-15-2013, 02:50 AM
Replies: 34
Views: 2,008
Posted By zdnet
Diana Walstad mentioned in her article...

Diana Walstad mentioned in her article (Mycobacteriosis−--the Stealth Disease (http://www.bookmasters.com/marktplc/00388mycoarticle.pdf)) that adding a UV to an existing tank with MB outbreak stopped...
Forum: Shrimp & Other Invertebrates 06-15-2013, 02:23 AM
Replies: 20
Views: 865
Posted By zdnet
I have seen that happened to shrimp that had just...

I have seen that happened to shrimp that had just molted. If a shrimp does not have enough energy reserve, it will be very tough to go through the starvation required for molting. Right after getting...
Forum: Photography 06-08-2013, 10:59 PM
Replies: 12
Views: 676
Posted By zdnet
That uses the enlarger lens as a +20 diopter. It...

That uses the enlarger lens as a +20 diopter. It gives a much better image quality then say stacking a Raynox DCR-250 (http://raynox.co.jp/english/dcr/dcr250/indexdcr250eg.htm) over a Zörk...
Forum: Photography 06-08-2013, 12:35 AM
Replies: 12
Views: 676
Posted By zdnet
What you have is the N version of the lens. It...

What you have is the N version of the lens. It has better color correction than the non-N version. Here are some performance data (http://www.coinimaging.com/nikon_el50-28n.html).

BTW, if you...
Forum: Low Tech Forum 06-05-2013, 02:32 AM
Replies: 7
Views: 595
Posted By zdnet
Adding CO2 will speed up the consumption of soil...

Adding CO2 will speed up the consumption of soil nutrients.

Unless you start nutrient dosing to compensate for the increase in consumption, sooner or later some soil nutrients will run out, plant...
Forum: Fish 05-20-2013, 10:07 PM
Replies: 26
Views: 713
Posted By zdnet
Obviously, the concept that a heavily planted...

Obviously, the concept that a heavily planted tank is already cycled is something so foreign to your experience that you label it as misinformation. I suggest you pick up a copy of Diana's book, read...
Forum: Shrimp & Other Invertebrates 05-20-2013, 08:52 PM
Replies: 7
Views: 305
Posted By zdnet
I have no problem using Kent Marine Liquid...

I have no problem using Kent Marine Liquid Calcium (http://www.kentmarine.com/products/kent-liquid-calcium.htm) to raise GH.
Forum: Fish 05-20-2013, 08:38 PM
Replies: 26
Views: 713
Posted By zdnet
Cycling is about the process of growing bacteria....

Cycling is about the process of growing bacteria. But when the bacteria is already there, no cycling is required. Thus, the tank is already cycled.




Read Diana's book and you will understand...
Forum: Fish 05-20-2013, 08:10 PM
Replies: 26
Views: 713
Posted By zdnet
A heavily planted tank is already cycled. Of...

A heavily planted tank is already cycled. Of course, people can still choose to follow a set of old procedure that is no longer required.
Forum: Fish 05-20-2013, 07:25 PM
Replies: 26
Views: 713
Posted By zdnet
In a planted tank, the plants themselves are the...

In a planted tank, the plants themselves are the filter media. Thus, there is no traditional filter media to be established.
Forum: Fish 05-20-2013, 07:17 PM
Replies: 26
Views: 713
Posted By zdnet
Indeed. However, in a heavily planted tank the...

Indeed. However, in a heavily planted tank the massive plant surface provides plenty of bacteria.
Forum: Fish 05-20-2013, 06:45 PM
Replies: 26
Views: 713
Posted By zdnet
Those bacteria are plentiful in ordinary soil....

Those bacteria are plentiful in ordinary soil. For a detailed explanation, see Diana's book "Ecology of the planted aquarium (http://www.atlasbooks.com/marktplc/00388.htm)".
Forum: Fish 05-20-2013, 04:12 PM
Replies: 26
Views: 713
Posted By zdnet
A heavily planted tank is already cycled!

A heavily planted tank is already cycled!
Forum: Fish 05-19-2013, 01:10 AM
Replies: 5
Views: 317
Posted By zdnet
The amount of time and water added is one side of...

The amount of time and water added is one side of the acclimation equation. The other side is the initial difference between the bag water and the tank water.

When bringing in new fish, I always...
Forum: Fish 05-18-2013, 02:38 AM
Replies: 5
Views: 317
Posted By zdnet
It was because the fish was not yet adapted to...

It was because the fish was not yet adapted to the water condition while in the bag. IOW, the acclimation was too short. When a fish had been properly acclimated, upon releasing into a tank, the fish...
Forum: Shrimp & Other Invertebrates 05-11-2013, 02:07 AM
Replies: 18
Views: 683
Posted By zdnet
Copepods are typically 1 to 2 mm...

Copepods are typically 1 to 2 mm (https://en.wikipedia.org/wiki/Copepod).

A grain of sand is no larger than 2 mm (https://en.wikipedia.org/wiki/Sand).
Forum: Shrimp & Other Invertebrates 05-10-2013, 11:17 PM
Replies: 18
Views: 683
Posted By zdnet
They typically are smaller than a grain of sand. ...

They typically are smaller than a grain of sand.

Copepods are very energetic and can move very fast - as if running away from something. When going from one sand grain to the next, they may...
Forum: Shrimp & Other Invertebrates 05-09-2013, 11:46 PM
Replies: 18
Views: 683
Posted By zdnet
May be copepods and no they are not harmful. The...

May be copepods and no they are not harmful. The one below is next to a hornwort needle:
...
Forum: General Planted Tank Discussion 05-09-2013, 02:10 AM
Replies: 19
Views: 540
Posted By zdnet
Thank you for the info. When I googled on...

Thank you for the info. When I googled on "hydrozetes", I found some very interesting info.
Forum: General Planted Tank Discussion 05-09-2013, 12:09 AM
Replies: 19
Views: 540
Posted By zdnet
That page does not mention the long thin...

That page does not mention the long thin bristles found on body and legs. I don't know how significant is that omission.
Forum: General Planted Tank Discussion 05-08-2013, 11:28 PM
Replies: 19
Views: 540
Posted By zdnet
They do have eight legs. Here is a better view...

They do have eight legs. Here is a better view for the number of legs:

http://www.plantedtank.net/forums/pHosting.php?do=show&type=f&id=24490&title=DSC_9436p1781_1151s800_600c.jpg

And this is...
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