rsands
Fish Crazy
Hi,
Is it true that it Would be better to put 1-2cm of gravel underneath another 1-2 cm of sand on the top? I want a planted aquarium but all this oxygen/CO2 stuff is a bit over my head
Thanks
Is it true that it Would be better to put 1-2cm of gravel underneath another 1-2 cm of sand on the top? I want a planted aquarium but all this oxygen/CO2 stuff is a bit over my head
Thanks