Cleaning grey water drain pipes. (1 Viewer)

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Robert Clark

Deleted User
We found DishNTreat very effective
It’s a washing up liquid that keeps pipes and your grey tank sweet

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Deleted member 29692

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Cheap full fat cola is still the best thing I've found.
 

Lenny HB

LIFE MEMBER
Oct 18, 2007
56,054
164,025
On the coast in West Sussex
Funster No
658
MH
Carthago Compactline
Exp
Since 2008 & many years tugging
I wouldn't risk it, domestic drain cleaners often melt the plastic Motorhome pipes are made of.

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GerTee

LIFE MEMBER
May 9, 2016
468
4,346
Near Fareham
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42,992
MH
Burstner iXeo
Exp
Since 2016 - UK & Europe
We favour the old Coke trick, in fact we poured 4 litres down the plug hole yesterday and today we will swoosh it all about on the 2 hour drive to Glastonbury, has worked for us in the past.
 

Two on Tour

LIFE MEMBER
Sep 16, 2016
10,812
55,914
Near the junction of the A14 and A1, Cambs
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45,145
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Elddis Autoquest 175
Exp
Since 2010
Going by their information on their website, they would seem to be designed to get caught in the sink "S" bend and then rely on the action water passing it to work. We don't have "S" bends on our motorhome so wonder how effective they would be just sat in the bottom of a grey waste tank.
 

GJH

LIFE MEMBER
Aug 20, 2007
29,452
38,828
Acklam, Teesside, originally Glossop
Funster No
127
MH
None, now sold
Exp
2006 to 2022
Don't pour greasy water and food particles down your plughole then you shouldn't need to clean them.
I agree. We wipe greasy deposits off plates with a piece of kitchen roll before washing them in order to minimise the amount of grease/fat entering the grey tank.
On returning home after each trip, and after emptying the grey tank (into the drain from our kitchen & bathroom), I pour a litre or two of hot water down each plug hole followed by a capful of Buster Plughole Sanitiser Foaming Granules. Half an hour or so later another litre or two of hot water goes down each plug hole and the grey tank is emptied again. That cleans the pipes and tank and prevents smells from the system, and is "gentle" enough not to cause damage.
 

TCG

Jul 6, 2017
1,426
2,159
Salford Priors
Funster No
49,363
MH
Autotrail Delaware
Exp
2016
Fenwicks drain and pipe cleaner... wonderful stuff, the probes on the waste tank even work after using this stuff :D

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raysalaugh

LIFE MEMBER
Oct 28, 2011
2,596
4,409
Leyland
Funster No
18,661
MH
AT Delaware
Exp
since 2010
We favour the old Coke trick, in fact we poured 4 litres down the plug hole yesterday and today we will swoosh it all about on the 2 hour drive to Glastonbury, has worked for us in the past.
The tricky bit is getting it back in the bottle after, waste not want not. :eek:
 

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