Rodi,

[lefty54]

Help in choosing rods system, liquagen any good ? 5 stage? what else to consider? Have a 90 and 55 gal aquarium.
Thank you in advance

 

[Webslinger]

a good source. www.purewaterclub.com

 

[MiamiViceCorals]

I bought the BRS 4 stage and it works perfectly, I get 0 tds