Planted Tank Enthusiast
Join Date: Jul 2014
Location: California for school, Arkansas for home
Maybe I'm just misunderstanding this, so please bear with me here.
Trickle filters are not good for planted tanks because they get rid of CO2 that's been injected into the tank, yes? However, the atmosphere has more CO2 proportionally than tanks that don't have CO2 injected into them, right? So, theoretically, in a tank that does not have CO2 injected into the aquarium, wouldn't a trickle filter be better by in-gassing CO2? Also, I'm referencing Hiscock's Encyclopedia here, but if pH does drop at night due to increases in cellular respiration and lack of photosynthesis, and the pH drop/increase over a 24 hour period is due to respiration/photosynthesis forming carbonic acid, wouldn't a trickle filter also keep pH more stable? Am I right, or am I completely misunderstanding something here?