As I said before I went back to my previous review and added 2 stars for this product making a total of 3 stars. Yes it will reduce scale if you want to use this electronic descaling tool to REDUCE scale and/or improve the condition of your water. Don't expect this device to descale - it will NOT descale or change the water from hard to soft - it ONLY IMPROVES the water and reduces scale! In my case I have a whole house water filtration system, a water tank and a filter tank. The condition of the water improves after going through my filtration system, this device descales it electronically. And YES the limescale is still decreasing and I have seen less and less limescale on the glass shower door in my bathroom BUT the limescale is still there but less than before when I had this unit. So I'm giving this device an extra 2 stars overall. 3 stars. I may come back to check the stars again and see if there are any changes in how the device is used. So far so good (not so good, but good, good :)) Good luck everyone and as always "Be safe, be healthy and stay healthy". -------------------------------------------------- ------------------------------ Easy to install, sometimes you need to wrap the wire around the copper pipe. So far it seems to be working. Work means that after 2 days of installation I have yet to see limescale stains on my shower door. Yesterday I cleaned the scale on the shower door before all family members took a shower. I checked this morning and found there is no limescale stain on the shower door! I gave her a STAR for starters. I will keep updating next week, next week and week after next (3 weeks total) to let everyone know if this electronic descaler does what it says on the tin! Background: I currently have Aquasana whole house filtration systems 1 x 20" pre-filter 5 micron sediment -> Aquasana water conditioner (it coats the water to reduce buildup but not much as I still get stains on my faucet and mine Glass shower door saw, which prompted me to buy this electronic descaler, hoping to reduce further deposits) -> Aquasana water filter -> 0.35 micron post-filter -> UV light, then into the house, here where H2Oelitelab Electronic Descaler for the electronic decalcification of water! The result will be visible in 2-3 weeks! I will come back every week to update the review. If it works, a star can be added to the rating!
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