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Search: Keyword(s): ; Posts Made By: AndreyT
Forum: Equipment   11-07-2015, 05:44 PM
Replies: 36
Views: 1,292
Posted By AndreyT
Regardless of what's leaking where, you cannot...

Regardless of what's leaking where, you cannot possibly have 100 psi of pressure on the working side of your system. Your working side is still open into the diffuser/reactor/tank, which means that...
Forum: Equipment   10-12-2015, 05:02 AM
Replies: 14
Views: 460
Posted By AndreyT
Canister filters cannot possibly "suck in air",...

Canister filters cannot possibly "suck in air", assuming the filter is installed below the tank and assuming you are not feeding air into the intake deliberately. The theory of "canister filters...
Forum: Equipment   09-08-2015, 08:52 AM
Replies: 6
Views: 254
Posted By AndreyT
This is a clone of the same popular...

This is a clone of the same popular non-adjustible piston-and-spring design used in many simple regulators.

http://www.plantedtank.net/forums/showpost.php?p=1817024&postcount=7

Formally, it is...
Forum: Equipment   09-08-2015, 08:47 AM
Replies: 12
Views: 707
Posted By AndreyT
Lead poisoning occurs through inhalation of...

Lead poisoning occurs through inhalation of lead-containing dust. As long as you are not planning to pulverize your regulator somehow and then inhale the particles, you have nothing to worry about.
...
Forum: Substrate   08-21-2015, 03:33 PM
Replies: 19
Views: 962
Posted By AndreyT
Only of you place the tank and the bin at...

Only of you place the tank and the bin at approximately the same horizontal level. If the bin is below the tank, then in general case this will not work. Canister filters are not designed to lift...
Forum: Substrate   08-21-2015, 12:06 AM
Replies: 19
Views: 962
Posted By AndreyT
Firstly, where did "nitrogen" come from? Nitrogen...

Firstly, where did "nitrogen" come from? Nitrogen gas is completely safe. There's no such thing as "toxic nitrogen gas". The popular scare about toxic gas pockets in aquarium substrate actually...
Forum: Equipment   08-19-2015, 02:10 AM
Replies: 7
Views: 255
Posted By AndreyT
Firstly, you posted a link to a private video....

Firstly, you posted a link to a private video. Nobody can see it.

Secondly, there's no such thing as universally applicable "right amount of bps". The proper BPS value is specific to each setup.
Forum: Equipment   08-12-2015, 10:59 PM
Replies: 30
Views: 1,263
Posted By AndreyT
I'm not sure where such complexity comes from. In...

I'm not sure where such complexity comes from. In order to prime a canister filter one just needs to pull enough water into the intake tube to start a siphon. After that the siphoning water will flow...
Forum: General Planted Tank Discussion   08-04-2015, 04:20 AM
Replies: 16
Views: 722
Posted By AndreyT
There's a plant and there's a plant. You...

There's a plant and there's a plant.

You can allow large-leaved anubias to grow close to filter intake - it won't block the flow to any appreciable degree. Typically, all "rigid" plants are OK in...
Forum: Equipment   08-04-2015, 12:55 AM
Replies: 7
Views: 374
Posted By AndreyT
You are absolutely correct. It doesn't make any...

You are absolutely correct. It doesn't make any sense to anyone.

BPS measure can ony be used a relative measure within your specific system with its own working pressure and tank size. Both...
Forum: General Planted Tank Discussion   08-04-2015, 12:13 AM
Replies: 16
Views: 722
Posted By AndreyT
Um... If the plant does not block your intake, it...

Um... If the plant does not block your intake, it does not block your intake. If the plant blocks 50% of the intake, it blocks 50% of the intake. If the plant blocks 90% of the intake, it blocks 90%...
Forum: Equipment   07-09-2015, 10:08 PM
Replies: 25
Views: 1,003
Posted By AndreyT
With canister filter, if the system is not sealed...

With canister filter, if the system is not sealed it will constantly leak water. No way around it. Does your filter leak water?

If your filter does not leak water, then the air you observe cannot...
Forum: Equipment   06-17-2015, 03:43 AM
Replies: 5
Views: 214
Posted By AndreyT
As long as your solenoid valve is closed. ...

As long as your solenoid valve is closed.



Which is expected, since you are basically opening the HP chamber into the atmosphere.



This is expected. A regulator, by design, does not allow...
Forum: General Planted Tank Discussion   06-06-2015, 02:21 AM
Replies: 16
Views: 1,038
Posted By AndreyT
50% water changes is normally for people who do...

50% water changes is normally for people who do EI fertilization. The method calls for large water changes to remove excessive nutrients at the end of each week.

If you are not doing EI or some...
Forum: Equipment   06-05-2015, 07:57 AM
Replies: 6
Views: 297
Posted By AndreyT
Yes and no. When you are just starting...

Yes and no.

When you are just starting (priming) the system, i.e. when the connecting hose is still empty, then the height of the barrier the water has to "jump" over (height of the trash can)...
Forum: General Planted Tank Discussion   06-05-2015, 04:24 AM
Replies: 1
Views: 282
Posted By AndreyT
Whatever works for your tank in order to produce...

Whatever works for your tank in order to produce a nice and proper circulation pattern (minimize dead zones etc.)

Of course, it generally makes sense to make sure that the output of one filter...
Forum: General Planted Tank Discussion   06-04-2015, 10:55 PM
Replies: 15
Views: 585
Posted By AndreyT
Neon tetras intuitively don't feel hardy enough....

Neon tetras intuitively don't feel hardy enough. Pristella tetras or glowlight tetras will survive virtually anything.
Forum: General Planted Tank Discussion   06-03-2015, 07:53 AM
Replies: 15
Views: 585
Posted By AndreyT
There are fish and there are fish. The...

There are fish and there are fish. The "traditional" approach of starting the biological cycle in a new tank (as opposed to "fishless" approach) would be to take a few hardy fishes and let them into...
Forum: General Planted Tank Discussion   06-03-2015, 07:45 AM
Replies: 15
Views: 602
Posted By AndreyT
Cool story, bro. Now, why is it here?

Cool story, bro. Now, why is it here?
Forum: Substrate   06-01-2015, 10:21 PM
Replies: 2
Views: 373
Posted By AndreyT
Black substrate: multilayer or not?

I have a tank with black sand substrate. When I first set it up a few years ago, I put down a layer of laterite first and then covered it with a thick layer of black sand from PetCo. It looked fine...
Forum: Equipment   05-22-2015, 10:20 PM
Replies: 11
Views: 736
Posted By AndreyT
Not sure what "head" people above are talking...

Not sure what "head" people above are talking about. Cerges reactor is a closed system, just like a canister filter. It has zero static head (i.e. no gravity head at all), regardless of how high you...
Forum: Equipment   05-22-2015, 07:23 PM
Replies: 25
Views: 1,085
Posted By AndreyT
There's absolutely no issue in "knocking over" a...

There's absolutely no issue in "knocking over" a liquid CO2 cylinder when its main valve is closed. I don't understand why people here are even talking about it.

You should not tilt or knock over...
Forum: Equipment   04-27-2015, 07:45 PM
Replies: 40
Views: 1,845
Posted By AndreyT
You are right. But your case is completely...

You are right. But your case is completely different. Again, the basic axiom here is that the pressure in the output end of the tubing is the same as the "breakthrough" pressure of your diffusion...
Forum: Equipment   04-27-2015, 07:31 PM
Replies: 40
Views: 1,845
Posted By AndreyT
A needle valve can be seen as a primitive form of...

A needle valve can be seen as a primitive form of pressure reduction if the gas after the valve is allowed to flow away freely. But that does not apply to our case.

In our case, we have a...
Forum: Equipment   04-26-2015, 04:52 PM
Replies: 40
Views: 1,845
Posted By AndreyT
It depends on where you are looking at that...

It depends on where you are looking at that bubble.

When we are talking about BPS, we are usually talking about what we see in a device called bubble counter. Bubble counter is installed between...
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