Surface or lower

[Mike Parnaby]

Hi. If co2 is added using an inline diffuser, and the bubble enter the water via either a spray bar or lily pipe pointing towards surface, would the bubbles simply rise to top and not get to lower lying plants. Or am I being daft?

 

[erwin123]

Surface agitation & gaseous exchange in CO2 injected tanks

Surface agitation in a planted aquarium - yes or not ? This page explores why having some surface agitation and turnover is actually useful in planted tanks and actually makes tuning CO2 to optimal levels more easy.

www.2hraquarist.com

 

[Mike Parnaby]

Many thanks erwin123