We are new to caravanning after 5 years of tenting and brought a 12 year old Bailey last year.
Now we had got a little lazy last year and had used the sink in the caravan for all of the washing up including greasy pans etc. When we took the caravan out last week we quickly realised that the drains were blocked with what I assume was the fact etc going down the pipes last year.
My question is, do I need to use a special drain unblocker or will a domestic one such as Mr Muscle etc be ok? I wasn't sure about the pipes and don't want to damage them using unsuitable chemicals
Its probably best to simply crawl under the 'van and disconnect the pipe to work out if you can see where the blockage is and also the condition of the pipes. If they are old and brittle it is a good time to replace them. I would be wary of putting anything harsh down the pipes as they are only thin and they could split leaving a caustic mess where you don't want it. Also don't be tempted to put a sani snake or similar down the pipes as you could easily rupture them.
I had a mouse crawl into on of my pipes a few years back. It did a good job of blocking it and I finished up replacing the pipe section as I couldn't get it out. An interesting heap of bones and gunk fell out when I cut the pipe open
------------- 'A sure cure for sea-sickness is to sit under a tree'
I had this problem twice but do what I did, buy a small diameter sink plunger and give it a damn good shove. Never had a problem since and it only cost a £1 from the pound shop. I keep it in the caravan now but having recently bought a newer caravan, having tried it out for the first time the water was draining slowly so out comes the plunger once again. Gush! out it goes and once again problem solved. It beats using chemicals and most of the the domestic cleaners are a waste of money anyway. Once you have plunged the gunge out, fill the sink with hot water, add some soda crystals to the water, drain out and will kill any remaining grease in the pipes.
We had the same problem with the pipes on our 'new' van this week, luckily we have a drain rod - very flexible and thin, so we used that then flushed through with soda crystals and warm water. Vinegar and bicarb have also been recommended on here recently.
I used a plunger once and it blew one of the pipes loose and I ended up with very wet carpets. If you do use a plunger check under your sink that everything is secure.
Jocko is quite right. If you do use a plunger, double check the waste pipes underneath the sink and washbasin to make sure they haven't parted. Mind you, if it blew the pipes apart it must have been a damn good blockage for that to happen which had built up over a considerable amount of time.
Quote: Originally posted by Jocko on 18/4/2011
I used a plunger once and it blew one of the pipes loose and I ended up with very wet carpets. If you do use a plunger check under your sink that everything is secure.
as did I, and lots of wet food, it blew off under the sink :(
I have also had success with a hosepipe up the outlet, I covered the sink, so if it did blow through it didnt make a mess of the van, put the hose on thew kitchen hot tap, and shoved hop water up it, seemed to work, melting the grease. and letting it flow out.
dont put any chemicalddown your sink, as the waste pipes are onlyvery thin plastic, very hot water is the best bet, with light plunging, if that doesnt work try trace the pipe and see if you can locate and squeze the blockage free, if not the pipes about £2.30 a metre depending on diamiter
I would just pour boiling water down the pipes. I always use the caravan sink for everything including greasy pans etc. Just make sure the pipes have a good rinse afterwards and every now and then I put a drain cleaner down as a precaution. Never had any problems.
At the end of each trip out, we fill the sink full of very hot soapy water with plenty of washing up liquid in it, and then just let it run through to flush everything out, it does a double job in washing out your waste collection container at the same time to keep it fresh.
Never had a problem doing it this way, although we always wipe any thick fat out of pans using kitchen roll before they get washed up.
Julia
------------- Just love to be out amoungst Nature and Wildlife
Celebrating 37 years of Caravanning in 2019, Recently Considered Retiring, but Totally Addicted for Life!
Am happy to say that we seem to have cleared the blockage by using lots of hot water, some light plunging and then pushing a thin pipe up the end and removing lots of black stuff (not entirely sure what it was bit didn't look to closely in view of Birder99's comments!).
On a slightly different tack, does the water drain slowly from the sink? If it does then the sink will soon block again.
I had a with our sink draining very slowly, and found that where the waste pipe goes through the caravan floor, the pipe lifted off the floor in a graceful curve before going out through the floor. It only lifted by about a centimetre. I fitted a clip to clamp it to the floor, and the difference in the flow was amazing.
Arghhh the saggy pipe problem! Most modern caravans use domestic size waste pipes that can be quite easily swapped for pushfit type solid wall pips with appropriate elbow joints etc. Certainly helps when cleaning or sorting blockages.
------------- 'A sure cure for sea-sickness is to sit under a tree'