Floyd R Turbo
Aquarium Advice Addict
That's what I've read. But if you reference the posts above, it's 'anecdotal'. Meaning people have noticed their plants do better without running carbon, therefore carbon they summize that carbon is bad for planted tanks.
Purigen, on the other hand, does not seen to affect plant growth and still 'polishes' the water
Purigen, on the other hand, does not seen to affect plant growth and still 'polishes' the water