Corrosion Control Product Comparison

Corrosion Control Method
	AS-8150	pH Control	Alkalinity Adjustment	Phosphates	Silicates
Ease of Use	Ready to use	Ready to use	Facilities required to prepare	Ready to use	Ready to use
Feed Equipment	Chemical feed pump	Storage tank and pumps	Dry handling and make down	Chemical feed pump	Storage tanks and pump
Cost of Equipment	Minimal	Moderate	Expensive	Minimal	Moderate
Effectiveness	Effective	Sometimes	Sometimes	Effective	Ineffective
Ease of Start-up	Easy, gradual	Tricky, must be slow	Can cause red water	Can cause red water	Can be tricky
Nutrients	No	No	Yes	Yes	No
Environmentally Friendly	Yes	Yes	Yes	Can cause algae blooms	Yes
Dosage Required	0.175 PPM or less	Variable	Variable	1 - 3 PPM as PO4	25 - 40 PPM