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Search: Keyword(s): ; Posts Made By: AndreyT
Forum: Equipment 06-16-2014, 08:46 PM
Replies: 35
Views: 681
Posted By AndreyT
I also use Airgas (in my case - in San Jose, CA)....

I also use Airgas (in my case - in San Jose, CA). I swap 5lb cylinders. For some unexplainable reason their prices swing wildly in either direction from swap to swap. I remember paying $35 per swap,...
Forum: General Planted Tank Discussion 06-13-2014, 09:38 PM
Replies: 11
Views: 205
Posted By AndreyT
The first option is, of course, cyanoacrilate...

The first option is, of course, cyanoacrilate glue (aka "superglue"). It is so perfect in such applications that there's no need to search for anything else.
Forum: Equipment 06-08-2014, 08:51 AM
Replies: 8
Views: 410
Posted By AndreyT
What exactly does "tightened down" mean in this...

What exactly does "tightened down" mean in this case? The purpose of the hose nut is to be backed up over the barb in the fitting after attaching the hose. In other words, the hose nut has to be...
Forum: Equipment 05-28-2014, 11:43 PM
Replies: 28
Views: 658
Posted By AndreyT
Well, if the working pressure produced by your...

Well, if the working pressure produced by your CO2 regulator is exactly what you need for your CO2 diffusion method, then you don't really need a needle valve.

The purpose of needle value is to...
Forum: Equipment 05-28-2014, 08:31 PM
Replies: 16
Views: 498
Posted By AndreyT
"We're told we shouldn't"? What is this exactly...

"We're told we shouldn't"? What is this exactly about? Where did you get this?

If you saw "Use no oil" printed on the face of an oxygen gauge, it refers to the gauge itself. It does not in any way...
Forum: Equipment 05-28-2014, 08:26 PM
Replies: 28
Views: 658
Posted By AndreyT
Others need them because they use...

Others need them because they use pressurized/liquid CO2 gas systems to fertilize their plants.

If you are using pressurized CO2 you need needle valve, bubble counter and solenoid valve (the last...
Forum: Equipment 05-20-2014, 05:58 PM
Replies: 38
Views: 1,377
Posted By AndreyT
You do your best trying to match the temps....

You do your best trying to match the temps. There's no need for extreme precision, just feeling the water by hand is precise enough for 50% or smaller water changes.



Just add the right amount...
Forum: Equipment 05-20-2014, 05:49 PM
Replies: 38
Views: 1,377
Posted By AndreyT
Not really. Most people who use Python have their...

Not really. Most people who use Python have their drain is lower than their tank. The proper use for Python in such cases implies that tap water is run only for a short period of time just to start...
Forum: Equipment 05-13-2014, 11:32 PM
Replies: 46
Views: 1,767
Posted By AndreyT
Yes. You don't have to do any modifications for...

Yes. You don't have to do any modifications for that. Just place the canister above the tank and run the tubes into the tank.



Physics-wise there's no difference where the canister is located....
Forum: Equipment 05-08-2014, 10:14 PM
Replies: 1
Views: 208
Posted By AndreyT
Well, this is a non-adjustable regulator. It will...

Well, this is a non-adjustable regulator. It will only work with GLA diffusers and other diffusers that accept the same fixed working pressure. If one day you decide to switch to a diffusion method...
Forum: Equipment 05-03-2014, 04:31 AM
Replies: 22
Views: 447
Posted By AndreyT
No, absolutely not. The pressure is...

No, absolutely not.

The pressure is analogous to the voltage in your electric outlets. It is 110V AC (in USA). If you want to plug one light bulb into it, it is 110V. If you want to split the...
Forum: Equipment 04-08-2014, 12:09 AM
Replies: 22
Views: 849
Posted By AndreyT
Note, as the Wiki article correctly states, the...

Note, as the Wiki article correctly states, the purpose of thread seal tape is to provide lubrication for the mating threads. The lubrication is needed in order to make sure that the threads don't...
Forum: Equipment 04-07-2014, 04:48 PM
Replies: 22
Views: 849
Posted By AndreyT
To use for what purpose, may I ask? So called...

To use for what purpose, may I ask? So called "teflon" tape is heavily misused in aquarium applications, which makes it hard to recommend anything without knowing what the original poster is planning...
Forum: Lighting 04-03-2014, 10:22 PM
Replies: 43
Views: 1,869
Posted By AndreyT
Even though someone might define a canonical...

Even though someone might define a canonical "white light" as a mix of all visible wavelength, it does not necessarily the case with any light source that produces light perceived by us as white....
Forum: Equipment 04-02-2014, 06:24 PM
Replies: 8
Views: 352
Posted By AndreyT
OK, if I understand it correctly, so the issue is...

OK, if I understand it correctly, so the issue is the "ceiling" of the internal compartment in Heartland Ensemble stand. Judging by the pictures, the stand indeed has very limited vertical space for...
Forum: Equipment 04-01-2014, 11:33 PM
Replies: 8
Views: 352
Posted By AndreyT
What does that mean? How can a square box-shaped...

What does that mean? How can a square box-shaped device like G3 fit into a stand at "at 10-15 degree angle"? You need to explain better what you are talking about.
Forum: Equipment 04-01-2014, 06:12 PM
Replies: 15
Views: 373
Posted By AndreyT
I have the Eheim. It is not a very good feeder,...

I have the Eheim. It is not a very good feeder, since it provides no reliable way to dose small amounts of food. (Not sure if this is the case with all self-dosing rotary devices.) Technically, Eheim...
Forum: Equipment 03-24-2014, 04:28 PM
Replies: 23
Views: 806
Posted By AndreyT
Yes, this is absolutely true. You can...

Yes, this is absolutely true.



You can also Google "water poisoning" for that matter. And, in partucular, read about that relatively recent case of a woman dying of water poisoning after...
Forum: Equipment 03-22-2014, 05:44 PM
Replies: 16
Views: 513
Posted By AndreyT
Hm... It has been a while since I worked with...

Hm... It has been a while since I worked with this filter, but if memory serves a properly tightened (in reverse direction) nut has to cover the barb. In your pictures I can see the barb very...
Forum: Equipment 03-22-2014, 05:40 PM
Replies: 16
Views: 513
Posted By AndreyT
What does "tightened" mean here? Note that...

What does "tightened" mean here?

Note that after attaching the hose you are supposed to unscrew the nut to make it back up over the barb. As the nut passes over the barb, you will feel it...
Forum: Equipment 03-22-2014, 05:39 AM
Replies: 16
Views: 513
Posted By AndreyT
Firstly, how square is the cut does not matter...

Firstly, how square is the cut does not matter much, as long as it is not wildly off. It is not the end of the tube that creates the seal. It is the inner wall of the tube that creates the seal with...
Forum: Equipment 03-22-2014, 05:01 AM
Replies: 23
Views: 806
Posted By AndreyT
There's no meaningful answer to this question the...

There's no meaningful answer to this question the way it is stated. CO2 has no adverse effects by itself. It is not poisonous in any way. The gas is perfectly neutral health-wise. In fact, your body...
Forum: General Planted Tank Discussion 02-12-2014, 12:26 AM
Replies: 3
Views: 362
Posted By AndreyT
http://www.vitamin-ha.com/wp-content/uploads/2013/...

http://www.vitamin-ha.com/wp-content/uploads/2013/08/Meanwhile-In-Australia-12.jpg
Forum: Equipment 02-03-2014, 08:50 PM
Replies: 28
Views: 1,256
Posted By AndreyT
Plants and bacteria are responsible for different...

Plants and bacteria are responsible for different parts of nitrogen cycle. Bacteria convert ammonia to nitrites. Bacteria convert nitrites to nitrates. Plants consume nitrates.

In other words,...
Forum: Equipment 01-31-2014, 10:57 PM
Replies: 28
Views: 1,256
Posted By AndreyT
1. Canister typically has considerably more...

1. Canister typically has considerably more volume for filtration media. In addition to better filtration, it creates more surface for beneficial bacteria
2. Canister can be set up to produce much...
Showing results 1 to 25 of 231

 
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