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Search: Keyword(s): ; Posts Made By: grnbrg
Forum: DIY 01-08-2012, 03:05 AM
Replies: 4
Views: 644
Posted By grnbrg
I'm guessing that your running the powerhead in...

I'm guessing that your running the powerhead in it's normal configuration, with water pulled through the filter canister, and pumped out the nozzle.

DIY reactors reverse this -- the reactor tube...
Forum: DIY 01-07-2012, 03:11 AM
Replies: 2
Views: 480
Posted By grnbrg
Yup, exactly right. I think if I make another...

Yup, exactly right. I think if I make another one, I will reduce the height to 1" or so, and drop the "reservoir" on the left -- I don't think it's needed, and just adds complexity.

I also should...
Forum: DIY 01-05-2012, 10:58 PM
Replies: 2
Views: 480
Posted By grnbrg
Flat glass drop checker

So I've built a DIY CO2 system, including an active reactor for diffusion, and recently stumbled onto the use of a "drop checker" to monitor the concentration of dissolved gas....

One of the (many...
Forum: Fish 01-05-2012, 05:12 AM
Replies: 4
Views: 382
Posted By grnbrg
As a diver, and a techie who did a lot of reading...

As a diver, and a techie who did a lot of reading (but no actual training) on technical and decompression diving...

No. You're not going to induce decompression sickness in anything in a...
Forum: DIY 01-04-2012, 01:17 PM
Replies: 15
Views: 1,242
Posted By grnbrg
Another reason that this method is actually a Bad...

Another reason that this method is actually a Bad Idea, rather than just ineffective: If your yeast bottle falls over, you'll end up pumping yeast water into the tank...


grnbrg.
Forum: DIY 01-03-2012, 10:43 PM
Replies: 15
Views: 1,242
Posted By grnbrg
I admit my terminology may be wrong, but are you...

I admit my terminology may be wrong, but are you sure?

I was under the impression that the vessel containing the yeast/water solution was the reactor (the CO2-producing reaction takes place...
Forum: DIY 01-03-2012, 08:25 PM
Replies: 15
Views: 1,242
Posted By grnbrg
You're doing it wrong. Get rid of the air...

You're doing it wrong.

Get rid of the air pump altogether. It's doing nothing but diluting the CO2 produced, lessening the efficiency that it is dissolved into the tank. As CO2 is produced by...
Forum: General Planted Tank Discussion 01-02-2012, 07:57 PM
Replies: 8
Views: 541
Posted By grnbrg
Enter, the geeky husband. :cool: CO2 --...

Enter, the geeky husband. :cool:

CO2 -- It's a standard yeast/jello-based DIY CO2 reactor, with power-head active diffuser. Although, given the bubble wall currently in the back of the tank,...
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