This item arrived in a timely manner. I have used liquid enzymes to maintain clear drains for a number of years. Based upon my experience since purchase these are far easier to use than liquid and because of that I am more likely to stay with the monthly schedule. This order should last me for 6 months. If no clogs in the next 6 months I will reorder. I plan to physically exam one of the drains to make a determination before reordering.



ADDENDUM: My second order of this product. I think I have used these every month for last 5 months. No issues have developed and drains are clearing well. I am still maintaining my 4 Star rating because I have not had an opportunity to actually exam drains.