what do you think of this RO/DI

[NateL]

Originally Posted by PoonTang

Dont buy it! They dont even state what size the filters are or wether it is granulated carbon or not. Stick with a reputible dealer in the aquarium industry like PURELY H2O. You must use 1 micron filters and solid block 1 micron carbon.

Just curious, why is the solid block carbon a must? Is granulated no good?

[RonPeter]

Originally Posted by NateL

Just curious, why is the solid block carbon a must? Is granulated no good?

Water will make path's through the granulated carbon and end up not being very efficient where the solid block carbon the water is forced evenly through it thus working more efficient.