Cutrine Plus has worked well for me also, but be very cautious to not treat too much at one time! There's much on the forum about an O2 crash when treating too big of an area.

I've used liquid for the floating mats, granuels for submerged.


Keith - Still Lovin Livin

https://youtu.be/o-R41Rfx0k0
(a short video tribute to the PB members we met on our 5 week fishing adventure)

Formerly: 2ac LMB,HSB,BG,HBG,RES