Siesta Lightning Time

[SuperColey1]

To add to Dave's post what you are saying si the wrong way round.

If you add CO2 you don't need to add more light. However you can use less light if wanted.

the plant does not have to search for C and therefore concentrates that energy on utilising the available light better.

In effect a CO2 injected tank (assuming it is well setup, and nutrient rich) can use less light than a non CO2 tank.

AC

 

[ian]

I must apologise with the ' c02 driving off o2' comment, I forgot we were talking about a system with pressurised c02. Personally though, I would still not use the veturi as is would be a waste of c02, having to bump the bps up.

 

[SuperColey1]

I think its the phrasing Ian. O doesn't drive anything off. It is the water turbulence that encouragesgaseous exchange but O is not a factor at all. More O doesn't affect the CO2.

I prefer a decent ripple anyway. I like to get more O in the water. If that means 4bps instead of 3 then so be it but O is just as important as CO2 and in a good system where the CO2 is being pushed around rapidly it shouldn't even need much more.

At 30ppm we are ensuring non limiting CO2. Its not the quantity the plants need. Its how much we put in to ensure no defficiency (in a good system.) without gassing fish.

Therefore we could feasibly go much lower if the system is good and have no negative effect.

AC

 

[migdem]

Ok so I could use 1bps on this low light setup also since i know my limitations of my light.

 

[SuperColey1]

You can start wherever you like and dial it in up or down. always best to err on the lower side and dial it up though. Can take a few days initially until you are happy and then you know your bps for your bubble counter. Each bubble counter is different and my 1bps may be your 3 bps or vice versa

AC

 

[migdem]

Once i plug it in and start with the CO2 i will check and give replies on this. I always can count on you that are more experienced then myself