AS big as you have space for and can afford is best. This is one case that bigger truely is better. .....
Edit....... I thought you were talking about size of tanks. :lol:
AS with any equipment. Research, ask around and go with your gut feeling. Thats all anyone can do.
trido88,SnowmanSnow,
You do not use one?
Will that is why you all said to ask around You all are helping me now.
What about Ozone?
Or most us no UV and no Ozone?