GreenClean Pro Algaecide works best when applied when temps are between 65-75 degrees.
Per the manufacturer GreenCleanPro Algaecide has to be classified as hazardous for shipping purposes. However, this product on a consumer level is perfectly safe for humans, animals, and fish.
For heavy algae growth you would use 20-90 pounds of GreenClean Pro Algaecide per acre-foot of water. Given your measurement, it appears that your pond is about 1.38 acre foot.
The water pump needs to be running when using GreenClean Pro Algaecide. This will allow the product to work properly on the algae inside of the pond. The mixing ratio is 1-3 teaspoons per 1000 gallons of water.
While the GreenClean Pro Algaecide does produce carbonate in the water, which can raise the pH (increase alkalinity) of the treated water naturally, this product is not labeled to be used specifically for this purpose. Therefore, we cannot advise you to use the product for this use. You can contact BioSafe directly for more information at 888-273-3088.
There are no swimming restrictions after the GreenClean Pro Algaecide has been applied.
GreenClean Pro algaecide is for ponds, lakes, gardens, fountains, ornamental waterfalls, ground surface water, etc not for use in greenhouses.