Friday 15 April 2016

Do liquid drain cleaners really work?

Its everyone's solution to a "BLOCKED DRAIN", just tip some sort of liquid drain cleaner down the pipes and the blockage will sort itself out, simple as that!

Is this correct?  Yes it may well be the case depending on the type of blocked drain you are experiencing, but in majority of the cases it will not help long term and if it does short term it will be a band aid to a much more under lying the problem.

In this blog we dissect what will and wont help you get that pesky blocked sewer resolved quickly and of course easy on the back pocket.

Okay so you manage a hotel, pub, shopping centre or some form of commercial operation?  The chances are that in the gents washrooms there is at a minimum one urinal?  And every now and again it becomes slow to drain and then all of a sudden its blocked (no flow)?!!

So this will be the only situation where a liquid drain cleaner will truly works its magic properly and should only be performed by a licensed plumber.  At Mayfair Plumbing and Gasfitting we use a product called hydrochloric acid (this should only ever be used by a licensed plumber).  We firstly dry the urinal trap out of any water or urine and fill the trap with the hydrochloric acid.  The room must be well ventilated and the correct Safety Equipment must always be used (gloves, overalls, masks and safety glasses).  We would typically let the initial dose of acid sit for 5 minutes and then flush with hot water if possible otherwise cold is fine.  Depending on the severity of the blockage 2 to 4 doses of acid can be needed (and the time in which the acid sits for will vary depending once again on the severity of the blockage) in order to get the desired flow back into the urinal drain lines.

Your other typical type of blockages that people will contact us about after they have attempted the use of a liquid drain cleaner are: Hand Basin not draining properly, kitchen sink slow to drain away and shower gurgling after 3 minutes of use.

All these fixtures have traps installed to them to stop the rise of sewer gases into the property. When you tip an off the shelf liquid drain cleaner into these fixtures the crystals etc just end up staying in the trap itself and not helping at all.  In most of the cases the actual blockages lie further than just the trap itself and the liquid drain cleaner is either not strong enough or never ends up reaching the blockage to actually resole the problem.

When we are addressing blockages which are within the above locations of your home or office it will be one of the following things causing the blockage:  tree roots, hair, grease, fat and collapsed drainage pipes.  All of these mentioned blockages require some form mechanical intervention in order to properly have the flow established again inside the drain pipes.  These forms of blockages are very intense and a liquid drain cleaner may start to slightly desolve the problem but it is inevitable that one day you will need a hydro jet drain cleaning machine out to your plot and have the invasion removed.

If you do have a very minor blockage for example in the kitchen it could be that there is some small amounts of grease and fat stuck inside of the trap below your bowl, in this example a liquid drain cleaner could assist, but it is most likely that with such a minor blockage you would not even be noticing the resistance in flow to start with so the need for a liquid drain cleaner would most likely not even come into play.

If there is something in this blog which we can help you with further please dont hesitate in contacting us further on 0429 361 819 or email: plumbers@mayfairplumbing.com.au


3 comments:

  1. I want to add another tips. The perfect and easiest way to clean drain is to use of a half cup of baking soda poured into any drain followed by a half cup of vinegar and then some boiling hot water.

    ReplyDelete
  2. The urinal trap out of any water or urine and fill the trap with the hydrochloric acid. read this

    ReplyDelete
  3. I’m glad to locate so much of informative data in your blog.
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    ReplyDelete