Try calling one of these that are close to you:

https://www.suppliersof.com/fertilizers-agricultural-chemicals/us/Utah/80363437

I'd go with Helena Chemical if they were close enough to you. Watch that you don't drop the pH too quickly.


www.hoosierpondpros.com


http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).