Pond Boss Forums AQUATIC VEGETATION Controlling unwanted plants How to get rid of FA before fertilizing

Interesting stuff...I always think of things a little upside down I guess so, of course, I have lots of questions.

I agree there is an optimum PH. Isn't there an "ok" range? My PH is 8.3 or 4 and the fish seem fine. How can I tell the PH is stressing them and my pond is in trouble? I suspect you are correct you could pull that PH down with Alum but won't it just go back up over time as the Alum gets tied up and the watershed provides more "High" PH water? Would you possible need to add Alum every once and a while to keep the PH in the optimum range? Any concern about potentially putting so much Alum in the pond over time?