Bioda BEB-00013 Drain Cleaner & Odor Eliminator, Professional Strength, 1-Gallon

This is my second purchase of Biods Enzyme Drain Cleaner and it really works well. It clears my stinky shower drain and now I use it as a weekly treatment to keep my drains running smoothly. It was a little expensive but well worth the price. My shower doesn't smell and water flow is great. It's really easy to use, I just pour about 1/2 cup down the drain and "Bingo" your done. The gallon jug lasts quite a while too. I will reorder again and again.

Works great removing odors in the bathroom drains and getting rid of the drain flies. No more smells or flies. Most definitely recommend.

There was some sort of odd shipment delay with this seller, the first item I ordered left but then never arrived and went back to the warehouse. The second one I ordered had some delay and then finally showed up. I purchased this for my kitchen sink in my condo. Every so often I was getting a very bad smell coming up from the sink. I did not know if it was my unit or from something else in the building but I finally got tired of it after someone looked at it and said that the P trap was dry. That was not the case, since I use the sink everyday. So when the product finally came I was ready to use it. You let your sink dry at least an hour or so before using it, pour the recommended amount down the drain, and then leave it at least overnight if not longer. I left it overnight and then threw as much as the days I could before I had to use the sink. So far the issue has not recurred, and it's been a bit of time. I will update if the issue does come back but seems to have worked so far. If that's the case, this product works well and is a quality item, definitely 100% worth spending a little bit to get rid of problems that otherwise are more difficult and more expensive solutions. It worked quickly and was super easy, just poured down the drain.

I am guardedly pleased with the effectiveness of Bioda for the elimination of the offensive odor emanating from our walk-in shower drain. My husband takes at least two showers/day (sometimes three) so the shower is always wet and the odor tends to build up quickly. I've applied Bioda three times now, at one week intervals, and the shower smells much better already. So I would definitely recommend this product.

About a cup a day over the course of a week got rid of the rancid onion-like smell. I snaked any unseen debris; scrubbed the inner part of the drain with a dryer lint brush; dud the baking soda & White Vinegar deal ... but the smell persisted. This Bioda Enzyme Clear was the only thing that worked - FINALLY. We probably need to have the plumber pitch a little more the longer drainpipe that runs across the basement to the main sewer line. There very well may be some sludge, soap scum, bacteria build up due to the shallow slope/pitch.