Reagents B and C: (2 B's, 2 C's)
2 X 0.25 L reagent B bottles
2 X 0.25 L reagent C bottles
** Calibration solutions have been discontinued!
Please refer to the more accurate “tank water method” of calibration. We have link to Helfpful Tips describing this method.
Shipping & Returns
Shipping & Returns
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If you are not completely satisfied with our product, return the remaining product and we will refund your purchase (minus shipping).