I know they are similar. The buffers keep the ph in check. If you use the ro
right type products, they replenish what is taken from rodi
process. Discus require very clean water. I would try to pm discuslover. I think that is who I am thinking of. He lives in india or something like that and has great success. I have been out of fw
for awhile and would hate to send you the wrong info. I will check for you tomorrow, but i love discus and I want this to go right for you.