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Search: Keyword(s): ; Posts Made By: jonnythe
Forum: General Planted Tank Discussion   12-29-2015, 05:49 AM
Replies: 37
Views: 1,058
Posted By jonnythe
Theoretically it shouldn't matter since bubbles...

Theoretically it shouldn't matter since bubbles are a liquid-gas interface just like the surface. However I think the diffusion of gas out of the liquid phase is impeded by surface tension. Could...
Forum: General Planted Tank Discussion   12-29-2015, 01:01 AM
Replies: 37
Views: 1,058
Posted By jonnythe
Theoretically? Isn't that what Henry's Law does?...

Theoretically? Isn't that what Henry's Law does? :laugh2:
What about this old post...
Forum: General Planted Tank Discussion   12-28-2015, 11:43 PM
Replies: 37
Views: 1,058
Posted By jonnythe
Wait until Hoppy or Mistergreen chimes in. But I...

Wait until Hoppy or Mistergreen chimes in. But I have read before the value is around 0.5 ppm for water in contact with the air. I just can't see how you can dissolve more CO2 than Henry's Law...
Forum: General Planted Tank Discussion   12-28-2015, 08:59 PM
Replies: 37
Views: 1,058
Posted By jonnythe
But why is everyone saying the equilibrium point...

But why is everyone saying the equilibrium point is reached when both the air bubble and the water surrounding it have equal amounts of CO2? I thought Henry's Law comes into play:

c(CO2) = p(CO2)...
Forum: General Planted Tank Discussion   12-28-2015, 04:15 AM
Replies: 37
Views: 1,058
Posted By jonnythe
mistergreen what is the '10000' and it's units?

mistergreen what is the '10000' and it's units?
Forum: General Planted Tank Discussion   12-27-2015, 09:18 AM
Replies: 37
Views: 1,058
Posted By jonnythe
Yes it's an equilibrium thing. Look up Henry's...

Yes it's an equilibrium thing. Look up Henry's Law. (https://en.wikipedia.org/wiki/Henry's_law)

You could seal the top of your tank really well then connect the airstone to a 120 psi air...
Forum: DIY   12-02-2015, 12:56 AM
Replies: 16
Views: 904
Posted By jonnythe
I just looked this up and it sounds interesting....

I just looked this up and it sounds interesting. Not only can acetate be used by plants as a carbon source but it can also provide energy.

I just found an old study done on rice seedlings. They...
Forum: General Planted Tank Discussion   12-02-2015, 12:07 AM
Replies: 33
Views: 1,283
Posted By jonnythe
Rather than credit cards I started making...

Rather than credit cards I started making disposable scrapers with a laminator. More for the fun of it really as I'd laminate a pic of my fave fish at the time. But they're a little more flexible...
Forum: General Planted Tank Discussion   06-30-2012, 09:26 PM
Replies: 7
Views: 2,192
Posted By jonnythe
Sergio, are you dosing calcium nitrate only...

Sergio, are you dosing calcium nitrate only because you can't get potassium nitrate?

If so, then it's quite simple (and fun) to turn the Ca(NO3)2 into KNO3 by reacting it with potassium sulfate....
Forum: General Planted Tank Discussion   06-29-2012, 10:14 AM
Replies: 0
Views: 226
Posted By jonnythe
Q about plant growth in "re-started" tank

I've got a 30gal that I'm bringing back to a low-tech planted tank after a couple of years of basically no lighting. It's been inhabited by a few Australian native fish that enjoyed the "darkness" in...
Forum: Plants   06-27-2008, 12:48 AM
Replies: 10
Views: 966
Posted By jonnythe
Yes I know what the bananas are for. The problem...

Yes I know what the bananas are for. The problem is they withered away. However the plants that were resting on the substrate had grown huge root mats through the gravel as well. So I don't know. If...
Forum: Plants   06-27-2008, 12:24 AM
Replies: 10
Views: 966
Posted By jonnythe
karlhigh, I did all that but the plants gradually...

karlhigh, I did all that but the plants gradually stopped producing leaves at all and the bananas shriveled away. I read on several sites this can happen. Considering they've put all that energy into...
Forum: Plants   06-16-2008, 01:17 AM
Replies: 10
Views: 966
Posted By jonnythe
Thanks marko. I did try several ideas found on...

Thanks marko. I did try several ideas found on the net but none worked. They were never buried. After chopping off the surface leaves submersed growth began again but it was very small/weak and the...
Forum: Plants   06-16-2008, 12:17 AM
Replies: 10
Views: 966
Posted By jonnythe
marko, this was a fairly old thread, but thanks...

marko, this was a fairly old thread, but thanks for being the only person to reply.

The banana plants ended up just melting away eventually. I think it's a mistake to let them produce surface...
Forum: General Planted Tank Discussion   11-05-2007, 07:48 AM
Replies: 7
Views: 531
Posted By jonnythe
Yeah I'm pretty sure now they're cory eggs. One...

Yeah I'm pretty sure now they're cory eggs. One of them is pretty fat. Is it usual for them to get a pinkish color underneath when in berry (if that's the correct term?) Also it seems they may be...
Forum: General Planted Tank Discussion   11-05-2007, 03:00 AM
Replies: 7
Views: 531
Posted By jonnythe
Hmmm, I don't think I'd describe them as sesame...

Hmmm, I don't think I'd describe them as sesame seeds like nerite eggs are compared to. They definately look more like these cory eggs (http://www.spidersbox.com/Fish/Main/Cory%20eggs%20close.JPG),...
Forum: General Planted Tank Discussion   11-05-2007, 02:09 AM
Replies: 7
Views: 531
Posted By jonnythe
Wasserpest, not that I know of, but now you've...

Wasserpest, not that I know of, but now you've got me thinking.

I just did a search about nerites as I'm not familiar with them. The only pictures of their eggs I found are too hard to id...
Forum: General Planted Tank Discussion   11-04-2007, 11:44 PM
Replies: 7
Views: 531
Posted By jonnythe
Hey, am I correct to guess these are cory eggs? I...

Hey, am I correct to guess these are cory eggs? I have some peppered cats and a quick google shows they look similar.

Edit: Just found a larger group of them on back glass. How long does it take...
Forum: General Planted Tank Discussion   11-04-2007, 11:10 PM
Replies: 7
Views: 531
Posted By jonnythe
Strange critters on glass.

Woke up this morning to find these strange things on the front glass. They're like little suction cups 1/8" diameter stuck to the glass and they don't seem to be moving. There are three groups of...
Forum: Fish   11-02-2007, 11:08 PM
Replies: 6
Views: 1,484
Posted By jonnythe
Thanks all. Yes I was pretty certain myself they...

Thanks all. Yes I was pretty certain myself they were CAE's. Hard to mistake really. We just needed proof to show the LFS as they insist these are not chinese algae eaters but a more peaceful species...
Forum: Fish   11-02-2007, 08:25 AM
Replies: 6
Views: 1,484
Posted By jonnythe
Gold sucking catfish - CAE?

My brother was talked into buying a couple of these from the LFS last night. I told him they look like chinese algae eaters and if they are, would probably cause some mayhem in his community tank...
Forum: Plants   10-29-2007, 03:22 AM
Replies: 10
Views: 966
Posted By jonnythe
Banana plant growth question

I have a few of these in my tank. After letting them sit on top of the substrate for a few weeks, I partially rooted two in the sand. They began sending up surface leaves and I decided not to cut...
Forum: Fertilizers and Water Parameters   09-10-2007, 04:35 AM
Replies: 1
Views: 397
Posted By jonnythe
Nitrite levels staying put.

After having much trouble getting plants to grow in my low-tech 36gal, things seem to be turning round. I made several changes including increased lighting, adding clay under the gravel substrate,...
Forum: Low Tech Forum   08-24-2007, 12:22 AM
Replies: 19
Views: 1,977
Posted By jonnythe
I don't use any medications/treatments, apart...

I don't use any medications/treatments, apart from ACE for change water.

Anyway things seem to be coming good, fingers crossed.

I added some new ambulia and it's putting out healthy shoots...
Forum: Low Tech Forum   08-17-2007, 07:28 AM
Replies: 19
Views: 1,977
Posted By jonnythe
Just a bit of an update. I ripped all the plants...

Just a bit of an update. I ripped all the plants out and have given the substrate a good mixing up to clean it. The Elodea is putting out green shoots again so I think giving the tank a rest has...
Showing results 1 to 25 of 30

 
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