There old used for 2 years I wondered if I can wash the sodium off them easily or if just buy newDoesn't the bag tell you to wash them before use?
Depends on the bag I suppose.
Yes you can wash them.
My last soil went dadt high in salt content so the stones do too as they sat in itNot sure what you mean by sodium.
Most water soluble compounds should be pretty easy to wash off. Some will do better with hot water.
But probably you got your money's worth in two years.
But lava rocks a good soil needsA good soil doesn't need perlite.
Bloody right took days and still high ppmYou can wash them but it will take some rounds of washing to make sure they clean. Also, for perlite u need a mesh to strain them, as they will float.