decided on Matrix, get 2 or 4 liters for fluval 406? ready to order

[solchitlins]

I decided on seachem Matrix for bio media, should I get 2 or 4 liters for fluval 406? I'm ready to order.


I'm going to fill all the baskets with it

 

[soul_assassin]

dont have a 406 but get 4L it will cost less and yuo keep the rest for future

 

[SickSauce]

throw them in a Sump