Review on Seachem 116042604 Betta Basics 250Ml by Beth Dellman

I bought it based on reviews. 1 day after the water change, the water became thick like floating white goo and my fish became very inactive. He seemed to stay up and breathe. I went back to the Aqueon Betta Bowl plus conditioner and had no issues with fish burn reading previous reviews. The fish shop said this is only done by using lots of water conditioner depending on the amount of water.