Ben M
Formerly pest control
i have a 4ft community aquarium, that is well stocked with small fish, and an algae eating crew of 5 sae's , 5 ootocinclus catfish and i am buying 20 red cherry shrimp. i am going to start using TPN+ fertiliser and my lighting is from 2 30watt florescent tubes. do i need to use co2? and where could i get it from? i think i've seen a c02 system in my lfs