The LAST big upgrade

[Parker]

Originally Posted by Skimmer King

may be its was the 100 gal water change too Park

I've done frequent 100 gallon water changes in the past so I'm not sure. I'm mearly basing my opinion on what I've seen in my tank. After one water change with different salt things improved greatly. Would the same dramatic change have happend by going from Seachem to IO? I don't know, I would only be speculating.