Colombo N02 Test (NITRITE)

All orders are processed within 2 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.

If you are unhappy with your item, please let us know. You have 30 days to return or exchange an item with a valid receipt. If 30 days have gone by since your purchase, we cannot offer you a refund or exchange. To be eligible for a refund or exchange, goods must be returned in a re-saleable condition. That means your item must be unused and in the same condition that you received it. To complete your refund or exchange, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer.