You will need to use your Promo Code at Diatomists by following these steps: You can view your existing Diatomists Promo Code by logging into your account, viewing your profile and clicking [My Card]. If the product you want to buy complies with the Promo Code rules of use, then you can add the product to your cart. You will then be taken to the payment interface, where you can enter the Coupon Code you obtained at couponmeoffers.in in the [Use Coupon] box. Please note that each Diatomists Coupon has its own rules of use, which can be used if your order is eligible.