i want to create a brackish set up in a 10g with puffers, what exactly will i need in the way of filtration, plants, ect. and how many puffers can i keep in a 10g?
As far as im aware there are no brackish puffers than can live in a 10g, the only puffers i know of that can live in a 10g are dwarf puffers that are freshwater fish.
Also i would not recomend a 10g for a brackish tank as it would be quite difficult to keep the water chemistry stable due to evapouration and faster build up of organic acids which would lower the pH too much for brackish fish to handle.
you could go with a GSP in 10g. you just need a powerfilter, heater, ph levels of 8.0 or higher. some kind of sea salt like oceanic or instant ocean. i would suggest RO water when dealing with SW. i'd throw a goby or two in there too they are cool.