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5% Discount For Repeat Customers & Referral Discounts!
Ordering a book or pH strips in additionto other items? Click here for shipping discount.
5% Discount For Repeat Customers:
Referral Discount Program: Phone orders: Tell us
the name of the person you referred when you place your order. We will discount
your order the amount equal to 25% of your referral's purchase total.
Online orders: Place your order first. Then email us with the referral's name. Include your credit card number and expiration date and we will refund your credit card the amount equal to 25% of your referral's purchase total.
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