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Search: Keyword(s): ; Posts Made By: mistergreen
Forum: DIY   Today, 02:32 AM
Replies: 56
Views: 2,140
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   Today, 12:22 AM
Replies: 56
Views: 2,140
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   Yesterday, 11:32 PM
Replies: 56
Views: 2,140
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   Yesterday, 08:57 PM
Replies: 56
Views: 2,140
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   Yesterday, 05:25 PM
Replies: 56
Views: 2,140
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...
Forum: DIY   Yesterday, 04:14 PM
Replies: 56
Views: 2,140
Posted By mistergreen
Oh, I found something interesting. This CO2 setup...

Oh, I found something interesting. This CO2 setup is more sensitive underwater than floating on the surface. I think water pressure helps push CO2 through the membrane.
I've made the reading public...
Forum: DIY   Yesterday, 04:10 AM
Replies: 56
Views: 2,140
Posted By mistergreen
I can use my pH meter to measure the degree of...

I can use my pH meter to measure the degree of CO2 that turns into carbonic acid. It would be fun either way.

I guess the water's pH originally would affect the rate of pH change.
Forum: DIY   Yesterday, 04:00 AM
Replies: 56
Views: 2,140
Posted By mistergreen
Some good ideas. I only have yeast CO2 with a...

Some good ideas. I only have yeast CO2 with a chopstick diffuser at this point. I gave up on my CO2 tank.

I originally wanted to test how & and how much a dirt tank can generate CO2 on its own.
Forum: DIY   Yesterday, 12:40 AM
Replies: 56
Views: 2,140
Posted By mistergreen
I've been using fresh air to calibrate to 400ppm....

I've been using fresh air to calibrate to 400ppm. Fresh air around here is around 420. Close enough. When converting ppm by weight, that's a small margin of error.

The clips work great. It's not...
Forum: DIY   02-04-2016, 10:19 PM
Replies: 3
Views: 184
Posted By mistergreen
glasses are plastic aren't they? I don't wear...

glasses are plastic aren't they? I don't wear them.
no need to coat.
Forum: DIY   02-04-2016, 07:00 PM
Replies: 56
Views: 2,140
Posted By mistergreen
I sprayed box part with polyurethane. I haven't...

I sprayed box part with polyurethane. I haven't played with acetone yet.

Next test is how responsive this setup with and how much CO2 in 1 degree of pH drop.
I've setup the yeast CO2 in a bucket...
Forum: DIY   02-04-2016, 05:53 PM
Replies: 56
Views: 2,140
Posted By mistergreen
Here's the new CO2 sensor box ...

Here's the new CO2 sensor box

https://farm2.staticflickr.com/1709/24789974846_07b37a5e93_c.jpg
https://farm2.staticflickr.com/1478/24789974736_ba1c7a2559_c.jpg...
Forum: Fish   02-02-2016, 04:15 PM
Replies: 21
Views: 626
Posted By mistergreen
brine shrimp

Yeah, spiralina has lots of protein and vitamins. You can feed that to brine shrimp and daphnia.


Sent from my iPhone using Tapatalk
Forum: Fish   01-31-2016, 02:53 AM
Replies: 16
Views: 680
Posted By mistergreen
Beautiful fish but it looks awfully tight. ...

Beautiful fish but it looks awfully tight.


Sent from my iPad using Tapatalk HD
Forum: Fish   01-30-2016, 08:09 PM
Replies: 21
Views: 626
Posted By mistergreen
It's easier to raise tubifex. Blackworms need...

It's easier to raise tubifex. Blackworms need colder temps. If you want to raise brine shrimps for fun, it's easier if you leave the lights on 24/7 for their food to grow (algae).

It's easier to...
Forum: Fertilizers and Water Parameters   01-29-2016, 03:18 PM
Replies: 53
Views: 2,236
Posted By mistergreen
I'm sure manufacturers change there products from...

I'm sure manufacturers change there products from time to time. Use what's on their website currently.


Sent from my iPad using Tapatalk HD
Forum: Fish   01-28-2016, 04:08 PM
Replies: 11
Views: 412
Posted By mistergreen
Over use of antibiotics is an issue. I cringe...

Over use of antibiotics is an issue. I cringe every time somebody use antibiotics to kill bga and not cure a disease.

Antibiotics are wonderful but they mess with your gut fauna. I'm now allergic...
Forum: The Lounge & Introductions   01-28-2016, 03:15 PM
Replies: 15
Views: 477
Posted By mistergreen
Tests are all online now :) You get immediate...

Tests are all online now :)
You get immediate feedback on your grades.


Sent from my iPad using Tapatalk HD
Forum: The Lounge & Introductions   01-28-2016, 03:09 PM
Replies: 15
Views: 477
Posted By mistergreen
Nice. So your hours are spread out in the week,...

Nice. So your hours are spread out in the week, not crammed into a day.

I don't want to hear myself talk for 6 hours. :)


Sent from my iPad using Tapatalk HD
Forum: Fish   01-28-2016, 04:40 AM
Replies: 7
Views: 331
Posted By mistergreen
You'll need uv for any free spores and euthanize...

You'll need uv for any free spores and euthanize any with symptoms. It's not bacterial so antibiotics isn't going to help.


Sent from my iPad using Tapatalk HD
Forum: General Planted Tank Discussion   01-28-2016, 04:29 AM
Replies: 11
Views: 505
Posted By mistergreen
You actually do need a bit of light and co2 to...

You actually do need a bit of light and co2 to grow. They can survive in low tech conditions but it won't grow much.

Get a good, high CEC rated substrate like dirt or aqua soil to make your life...
Forum: Shrimp & Other Invertebrates   01-27-2016, 04:14 PM
Replies: 16
Views: 965
Posted By mistergreen
Ah, paraguard should work.

Ah, paraguard should work.
Forum: The Lounge & Introductions   01-26-2016, 06:40 PM
Replies: 15
Views: 477
Posted By mistergreen
The plant is a sword, I believe. The blue just...

The plant is a sword, I believe.
The blue just means I used to be a mod but I have much more fun now :)
Forum: The Lounge & Introductions   01-26-2016, 03:27 PM
Replies: 15
Views: 477
Posted By mistergreen
Heh, the moniker was used in the spur of the...

Heh, the moniker was used in the spur of the moment so my students can find me online but it stuck even though I stopped teaching. I teach/taught programming & design. Do you see that TPT logo up on...
Forum: The Lounge & Introductions   01-26-2016, 01:34 PM
Replies: 15
Views: 477
Posted By mistergreen
It's 2 days of that with lecture and lab. I...

It's 2 days of that with lecture and lab. I talked out of 4 to 2 but I have to be a temp instead of FT which is a big pay cut but my time is more important.


I taught 4 in a day once when I was...
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