amateurfishkeeper
Member
- Joined
- 30 May 2015
- Messages
- 26
Hi everyone
I'm new to CO2 and trying to follow the great advice available on this site. Nothing dramatically different has happened since I started using CO2 so I'm experimenting with different variables (lighting, nutrients, flow, CO2 dosing, scheduling etc) to try and find the 'sweet spot'.
But, there are a few things I don't 'get' about CO2. So I use a pressurised system which gets CO2 into the tank and I can see the bubbles circulating around the tank nicely etc. I find some of the information about CO2 I read a bit strange or contradictory. Can anyone help me out with these two questions?
1) If a CO2 bubble rises to the surface of the water and breaks there, does it mean that CO2 bubble added nothing to the tank? The reason I ask this is because I read statements like 'try to keep the bubbles in the water for as long as possible' everywhere. Does this mean we are aiming at keeping bubbles under the surface of the water for as long as possible until they eventually fully diffuse? If, in addition to the bubbles that circulate around my tank I also see a film of bursting bubbles at the water surface as well, is that all wasted CO2?
2) Can a plant only use CO2 if it exists in a fully diffused form? I read statements online like 'aim to have the CO2 bubbles flowing in and around plants. This sounds a bit weird. Are we thinking about bubbles hitting plants? Is this really how plants get access to CO2? Do they need to have bubbles smashing into them or can they only use CO2 when it exists in an invisible form in the water around them?
Sorry if questions are stupid or naive but I find these points hard to understand.
I'm new to CO2 and trying to follow the great advice available on this site. Nothing dramatically different has happened since I started using CO2 so I'm experimenting with different variables (lighting, nutrients, flow, CO2 dosing, scheduling etc) to try and find the 'sweet spot'.
But, there are a few things I don't 'get' about CO2. So I use a pressurised system which gets CO2 into the tank and I can see the bubbles circulating around the tank nicely etc. I find some of the information about CO2 I read a bit strange or contradictory. Can anyone help me out with these two questions?
1) If a CO2 bubble rises to the surface of the water and breaks there, does it mean that CO2 bubble added nothing to the tank? The reason I ask this is because I read statements like 'try to keep the bubbles in the water for as long as possible' everywhere. Does this mean we are aiming at keeping bubbles under the surface of the water for as long as possible until they eventually fully diffuse? If, in addition to the bubbles that circulate around my tank I also see a film of bursting bubbles at the water surface as well, is that all wasted CO2?
2) Can a plant only use CO2 if it exists in a fully diffused form? I read statements online like 'aim to have the CO2 bubbles flowing in and around plants. This sounds a bit weird. Are we thinking about bubbles hitting plants? Is this really how plants get access to CO2? Do they need to have bubbles smashing into them or can they only use CO2 when it exists in an invisible form in the water around them?
Sorry if questions are stupid or naive but I find these points hard to understand.