(a) General.

1. (1) A chemical feeder must be used in conjunction with a hypochlorinator feeding nonstabilized chlorine or gas chlorinators in order to maintain pH of pool/spa water.
2. (2) It shall be a positive displacement type feeder.

(b) Feed rate.

1. (1) Equipment shall:

   1. (A) Be sufficient to supply at least two pounds (2 lbs.) of soda ash per fifteen thousand gallons (15,000 gals.) of pool/spa water per twenty-four-hour period; and
   2. (B) Have a minimum feed capacity of two and one-half gallons (2 1/2 gals.) per hour.
2. (2) This same type feeder can also be used to feed acid and granular chlorine for super-chlorination