HVAC GUYS – Flow Treat Tabs - 200 Tablets | AC Drain Line Cleaner | Prevents Odors, Keeps HVAC Drain Pan Clean, Prevents Overflow | One Tablet Lasts up to 4 Weeks

Simple and works

Works well

Good product but blue color stains. Used in windows AC units. Product works, but stains vinyl siding. If youre using in windows AC units, get ones that aren't colored blue.

I've been using these for the last few years to help keep my drain for A/C clear.Since my central air handler is located in the attic of my 2 story home, the condensate drain is drained by gravity. I learned the hard way a few years ago about how bacteria can grow inside of the drain line and block flow, causing the water pan to fill up and leak into my ceiling, through the walls and all the way into my basement.Since then, I've been dropping 2 into the trap right off the air handler and dropping a few on the drip pan inside the air handler every month or two. I haven't had a backup or blockage since!These came at the recommendation of an HVAC friend. I used to buy the small package at HD, but this bottle should last me a long, long time. If you have a home with an A/C unit, you probably should be using these.

Helps to keep tour ac drain line clear. If water backs up, your ac unit will shut down. These tabs are an easy way to avoid a $250 service call.

I originally purchased a smaller pack of these blue AC drain line cleaner capsules (10 count) and was happy with the results. I recently upgraded to the larger 200-count package, and the value is excellent for the quantity you get. The quality is just as reliable as before.Since my AC units are on the roof, using these regularly gives me peace of mind and will likely save me money in the long run by helping prevent potential water damage. Definitely a smart investment for anyone in a similar setup.

I went up into the attic today and put these in the drain pan. Easy peazy. Now we'll see how they work.

It works very well in removing stains from the water pan of the air conditioner.