Ordered the wrong item, but optimum Instrument team handled it brilliantly! We mistakenly purchased the wrong water purifier. When we realized the error upon delivery, we contacted them, and they responded promptly, providing the replacement. The order was processed quickl. Speedy and efficient service. Many thanks!

Had a fantastic experience with Alan at optimum instrument! Extremely professional and friendly, providing excellent customer service. A real credit to OI, keep up the great work! Also happy with the hydrogen water machine. Highly recommended!

I recently contacted Optimum Instrument's customer services via email, and to my surprise, it was a swift and effortless experience. I usually dislike using email to communicate with companies, but this time was different. The response was quick, and they handled my query with great efficiency. What impressed me the most was the personal touch in their email. It didn't feel like a generic corporate response; instead, they addressed my concerns genuinely, making me feel valued as a customer.

I had an absolutely amazing experience! The customer service was outstanding. Great purifier.

Love optimum instrument, gives me the freshest water, cold on a summer day, with hydrogen to boost my health. Got helped by Alan with advice on installation in a new build flat and his personality was amazing, great service. Only downside, they don't offer installation, but it's an easy setup anyway. Highly recommend optimum instrument for their top-quality water filters and great customer support. They really care about their customers.

I recently purchased the hydrogen UV water purifie, and I am beyond impressed with its performance! The water tastes incredibly fresh and clean, making it a delight to drink. The product was delivered promptly, and the installation process was easy. Their customer service team was also extremely helpful, answering all my questions with great patience. I highly recommend Optimum Instrument to anyone in need of a top-notch water filter. You won't be disappointed!

I decided to give your hydrogen water filter a try, and I must say, the outcome has truly amased me. The effects it has had on my skin have surpassed all my expectations. I have witnessed a visible reduction in fine lines and wrinkles, and my skin feels alive and refreshed. I wholeheartedly recommend your hydrogen water filter as a natural and effective solution for anyone in search of radiant and youthful skin.

The Hydrogen-infused water purifier has completely transformed my health at the age of 40. Since I started drinking Hydrogen water, I've noticed a reduction in joint pain and inflammation, as well as improved thinking abilities and energy. What drew me to the OPTIMA model was its filtration system, which combines RO, UV, and hydrogen infusion. Not only does the water taste great, but it also provides powerful antioxidant benefits. I highly recommend it for anyone looking to improve their overall well-being.