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Search: Keyword(s): ; Posts Made By: mistergreen
Forum: Fish   Yesterday, 06:02 PM
Replies: 9
Views: 243
Posted By mistergreen
Yes, I think they're saying that the 5cm strain...

Yes, I think they're saying that the 5cm strain doesn't exist anymore. They first appeared in 1946. Not breeding means they can't sell and you can't buy :)
Forum: Fish   Yesterday, 05:46 PM
Replies: 9
Views: 243
Posted By mistergreen
They look like about 1/3 smaller than regular...

They look like about 1/3 smaller than regular angles.

The 5cm genetic strain didn't breed well so they bred with other strains for viability.
They have full size blue angles too.
Forum: Fish   Yesterday, 04:16 PM
Replies: 24
Views: 674
Posted By mistergreen
Or join the simple life and not use CO2. You can...

Or join the simple life and not use CO2. You can have a dirt tank and it'll generate low level CO2 for you. You don't have to worry.
Forum: DIY   02-12-2016, 03:04 PM
Replies: 8
Views: 201
Posted By mistergreen
The standard glue is safe. It's water based and...

The standard glue is safe. It's water based and when cured, it's harmless.
Forum: Fish   02-12-2016, 02:18 PM
Replies: 10
Views: 299
Posted By mistergreen
inch per gallon doesn't work. The dimension of...

inch per gallon doesn't work. The dimension of the tank is a better indicator.
Forum: DIY   02-12-2016, 01:55 PM
Replies: 8
Views: 201
Posted By mistergreen
what will you be gluing with the epoxy gorilla...

what will you be gluing with the epoxy gorilla glue?

If gluing stuff to glass, silicone would give you a better grip/adhesion. The gorilla glue would slip off eventually.
Forum: General Planted Tank Discussion   02-10-2016, 01:10 AM
Replies: 12
Views: 450
Posted By mistergreen
Yeah, if your going to push limits, you'll need...

Yeah, if your going to push limits, you'll need splashing to add O2. There won't be noticeable bubbles. I pumped 135ppm of co2 into a bucket with no visible signs.

Your fish were probably getting...
Forum: General Planted Tank Discussion   02-09-2016, 11:24 PM
Replies: 12
Views: 450
Posted By mistergreen
Do you have surface agitation? If not, CO2...

Do you have surface agitation? If not, CO2 concentration builds up fast.
Forum: DIY   02-09-2016, 06:31 PM
Replies: 71
Views: 2,853
Posted By mistergreen
yeah, I'm an expert at costs for CO2 sensors at...

yeah, I'm an expert at costs for CO2 sensors at this point :)
Forum: DIY   02-09-2016, 06:17 PM
Replies: 71
Views: 2,853
Posted By mistergreen
$5000 Bump: I tried the pump route for...

$5000

Bump:

I tried the pump route for fun. Using a cheap pump, I couldn't get a good airtight pump. I would pump air out but wouldn't pump in correctly. I scrapped it.
Forum: DIY   02-09-2016, 05:12 PM
Replies: 71
Views: 2,853
Posted By mistergreen
Hmm, the surface area could be a factor. It takes...

Hmm, the surface area could be a factor. It takes forever for the bucket to drop CO2 back down to 3ppm.
If I need to reset the reading, I have to replace the water.
Forum: DIY   02-08-2016, 04:57 PM
Replies: 71
Views: 2,853
Posted By mistergreen
Yeah, my sensor only goes to 135ppm max. I can't...

Yeah, my sensor only goes to 135ppm max. I can't measure beyond that. I'm sure that's a limit at some point. Water can only hold so much CO2 without being pressurized like a soda can.

I'm starting...
Forum: DIY   02-08-2016, 02:51 PM
Replies: 71
Views: 2,853
Posted By mistergreen
I learned something interesting. If you inject...

I learned something interesting. If you inject CO2 into a tank with no current/filtration, the CO2 slowly builds up without end (seemingly).
Forum: DIY   02-08-2016, 03:51 AM
Replies: 15
Views: 614
Posted By mistergreen
Oh, I thought this will be self sustaining. I...

Oh, I thought this will be self sustaining. I didn't know you were going to ferts.

I doubt shrimp poop alone will sustain all of those plants. Soil action will provide extra CO2 as well, not just...
Forum: DIY   02-07-2016, 10:42 PM
Replies: 71
Views: 2,853
Posted By mistergreen
I lifted the sensor an inch out of the water....

I lifted the sensor an inch out of the water. It's dropping to ambient air CO2 (really slowly). So Henry's Law doesn't work unless the container is closed off? I just covered the bucket to see.
Forum: DIY   02-07-2016, 10:25 PM
Replies: 15
Views: 614
Posted By mistergreen
No soil in the substrate? It'll be tough for the...

No soil in the substrate? It'll be tough for the plants with no nutrients and bacterial action.
Forum: DIY   02-07-2016, 03:14 PM
Replies: 71
Views: 2,853
Posted By mistergreen
My conversion takes into account 1 atm and 69F or...

My conversion takes into account 1 atm and 69F or 70F (I forget). Standard Temperature and Pressure (STP) is defined as 0 degrees Celsius and 1 atmosphere of pressure.

I believe the alken-murray...
Forum: DIY   02-06-2016, 11:53 PM
Replies: 71
Views: 2,853
Posted By mistergreen
ok, the sensor is live again. It looks like the...

ok, the sensor is live again. It looks like the responsiveness is getting 1ppm / minute. It's the fastest I've gotten yet. I'll check for leaks again in 30 minutes.
Forum: Fish   02-06-2016, 06:15 PM
Replies: 9
Views: 422
Posted By mistergreen
Here's a good video of them ...

Here's a good video of them
https://www.youtube.com/watch?v=OMZgrLiTSZE
Forum: DIY   02-06-2016, 01:47 PM
Replies: 71
Views: 2,853
Posted By mistergreen
The Kordon bags are slow in gas exchange compared...

The Kordon bags are slow in gas exchange compared to silicone.
The silicone is fine in durability. This project isn't meant for long term underwater use. I've linked to a DIY underwater sensor from...
Forum: DIY   02-06-2016, 02:32 AM
Replies: 71
Views: 2,853
Posted By mistergreen
Notice, this sensor is by VOLUME. People don't...

Notice, this sensor is by VOLUME. People don't bother converting to ppmw (weight) like we do in the plant hobby. All of the literature I've read (education research) , they kept their CO2 reading by...
Forum: DIY   02-06-2016, 12:22 AM
Replies: 71
Views: 2,853
Posted By mistergreen
Not really. It's just by weight takes a lot of by...

Not really. It's just by weight takes a lot of by volume. It's just different measuring stick.




yes, it's temperature & pressure dependent. I'm taking 70F calculations, sea level.
Forum: DIY   02-05-2016, 11:32 PM
Replies: 71
Views: 2,853
Posted By mistergreen
this guy CO2 Meter - CO2 Sensor for OEM...

this guy CO2 Meter - CO2 Sensor for OEM Applications. Quantity Pricing. - CO2 Sensor by Senseair (http://www.co2meter.com/collections/co2-sensors/products/k-30-co2-sensor-module)
for $85

ppm by...
Forum: DIY   02-05-2016, 08:57 PM
Replies: 71
Views: 2,853
Posted By mistergreen
I think I need more silicone to seal any leaks.

I think I need more silicone to seal any leaks.
Forum: DIY   02-05-2016, 05:25 PM
Replies: 71
Views: 2,853
Posted By mistergreen
Are you looking at the right sensor? It's...

Are you looking at the right sensor?
It's pretty sensitive and have onboard calibration.
The $85 sensor will give you a max of 40ppmw
The $225 one will give you a max of 135ppmw.]

Note that ppm...
Showing results 1 to 25 of 250

 
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