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HomeRoad TripCleansing your Motorhome Water Tank (the simple method)

Cleansing your Motorhome Water Tank (the simple method)


Involved about cleansing your motorhome water tank? Need to sterilise the freshwater tank in your camper or caravan? Here is what you might want to do to make sure secure ingesting water in your van.

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Cleansing your motorhome water tank

One factor my husband and I’ve all the time been acutely aware of is ingesting water. Mr WB has spent a whole lot of time within the Center East, the place water just isn’t all the time secure to drink and he is somewhat obsessive about ensuring we’ve got secure water.

Not less than- I used to assume it was obsessive till he received Legionnaire’s Illness!

Now, I ought to make it very clear that he did NOT get Legionnaires from our motorhome water tank, nevertheless it was from one other van, which is not used very a lot.

So, to keep away from the identical scenario in our van and assist you to keep away from it in yours, you might want to clear your motorhome freshwater tanks usually.


Why cleansing motorhome water tanks is necessary

Most water carries micro organism. When that water is stored in a enclosed house (like a contemporary water tank) micro organism can multiply rapidly. This turns into even worse in heat temperatures. Legionella is among the essential issues, however so is E-coli and several other different sorts of micro organism.

Sadly, you need not drink the water to turn into contaminated. If you happen to bathe from a contaminated tank, or use the water for cooking or rinsing meals, you possibly can turn into sick. Many of those result in lung situations, like pneumonia and COPD.

Additionally, over time, the freshwater tank in your motorhome, campervan or caravan turns into contaminated by dust, particles and even bits from the hose you utilize to refill the tank. All of this promotes micro organism and makes the water much less secure to eat.

You can too by no means assure that the water you are filling your tanks up with is secure to drink both. After we have been motorhoming in Scotland, we spent a while on the Isle of Skye and it seems a sheep had died within the campsite water provide and had contaminated all of it! Thank goodness we did not refill!

Nonetheless, many individuals do not wish to carry extra water for ingesting, because it eats into house and payload, (1litre weighs 1kg) so maintaining the water tank clear turns into a better precedence.


Is it secure to drink water out of your motorhome water tank?

This can be a matter which divides opinions massively. Many individuals solely use the water straight from their tanks for showers/ cooking and many others, preferring to both filter the water earlier than ingesting or boiling it for warm drinks. (This private filter is a good thought.)

Others are fairly pleased that it is okay to drink and do not pay it two minds.

Personally, we use our motorhome water tank for showers, enamel cleansing and washing up, however use extra water filtered from our Lifesaver Jerrycan to drink from, even when we will boil it within the kettle.

We’re additionally debating placing an inline filter within the system, so the water out of the kitchen faucet comes out filtered. That is what we’ve got on our boat and we drink the water straight from the boat water tank with no drawback.


How usually must you clear a motorhome water tank?

The query of how usually it is best to clear your motorhome freshwater tank relies upon rather a lot on how usually you utilize it and the place you’re. Personally, we clear ours twice a 12 months, however that is as a result of we spend a whole lot of time touring Europe in our motorhome.

On the naked minimal it is best to clear it completely every year and ALWAYS when it has been stood for a number of weeks or extra. That is when micro organism and biofilm can actually begin to develop and make the water harmful to drink.

Cleaning motorhome water tank- motorhome water system
Recent and gray water tanks in a motorhome (NOTE: Black tank doesn’t imply black waste!)

How do you clear a freshwater tank on a motorhome?

The very first thing to recollect is that no matter you utilize to scrub your water tank will depart a residue, which you’ll then be consuming for some time each time you utilize the water.

Then you might want to choose a product. There are a number of available on the market, and every have their execs and cons (see beneath).

As soon as chosen, this is what you do:

  • Shut all faucets and valves
  • Add your chosen cleansing product (ie- Puriclean)
  • Fill system fully with water
  • Activate faucet FURTHEST away out of your tank to get the answer all via your system, let it run for 10-15 seconds (or till you possibly can odor the cleaner), then shut
  • Depart in a single day. Alternatively, you possibly can drive round for a short while, to get the combination into all corners. Simply bear in mind you are driving with a full tank and the car will likely be heavier than maybe you are used to.
  • Subsequent day, open all faucets, which permits the cleansing product to then run into your gray waste tank and clear that too (You can too use a product like this to scrub your gray tank and bathroom cassette however do not put it into your contemporary water tank!)
  • Utterly empty the freshwater tank, then refill with clear water and EMPTY absolutely once more.
  • By the top, you shouldn’t be in a position to odor the cleansing product any extra. If you happen to can, refill and empty repeatedly till the water not smells.
  • It is a good suggestion to alter your water filters now too, so the entire system is clear and able to go.

Motorhome tank cleansing merchandise

Like most issues in the case of cleansing your motorhome, there are a number of merchandise you possibly can select from.

Most of them work in very related methods, so it is largely a matter of selecting the product which sounds finest to you. That is the one we use.


What’s Puriclean?

Puriclean is among the most well-known motorhome tank cleaners. It is very easy to make use of and works very successfully to eradicate micro organism, viruses, bio-film, algae, and fungi.

It has a dual-purpose system which each cleans and sterilises in a single go, so no have to do two therapies. It cleans the whole motorhome water system: tanks, pipes, pumps, hoses and faucets and might apparently even be used to “take away stains from many home objects reminiscent of glassware, plastic tableware, tea and occasional pots and chrome steel objects reminiscent of vacuum flasks”.

One 400g tub cleans a tank of as much as 270 litres and the combination would not odor, foam or hurt any parts within the water system. It may be tough to know when the tank is flushed, so I might do it not less than twice to take away all the system earlier than you utilize the tank usually.


Are Aquasol and Puriclean the identical factor?

NO. Aquasol and Puriclean are NOT the identical issues. Puriclean cleans and sterilises the tank, whereas Aquasol disinfects water while it is within the tank ready for use.

We add Aquasol to our water EVERY time we refill. It is secure to drink or use in bathe.


Can you utilize vinegar, bleach or acid to scrub your water tank?

I’ve seen some posts and movies on Youtube discuss utilizing citric or acetic acid to scrub a motorhome water tank because it restricts the expansion of micro organism and prevents algae rising.

We have by no means carried out this, purely as a result of the acetic acid we all know of is hazardous to eyes and pores and skin. Many individuals use it as a weed killer. You may get a milder dose (vinegar is simply 4% acetic acid) however I query how efficient this could be!

So no, I do not advocate utilizing vinegar or citric acid to scrub your motorhome water tank. If you happen to do select to, you may want one litre of cleansing vinegar for each 100 litres of water.

Some folks additionally point out utilizing bleach. Once more, bleach may be hazardous if consumed and I do not really feel the danger is value utilizing it, particularly when there are different merchandise available on the market which do an excellent job. I strongly advocate you utilize a type of.

If you happen to do select to make use of bleach, bear in mind it will possibly injury chrome steel, which many motorhome sizzling water boilers are produced from.


Do you might want to sterilise a motorhome water tank?

Sterilising and cleansing a tank are related, however not fairly the identical factor. Cleansing is extra ‘washing out’, whereas sterilising is actively making an attempt to kill all of the micro organism.

One of many causes we like Puriclean is it cleans AND sterilises on the similar time, making the entire course of a lot simpler.


Tips on how to take care of your motorhome water system whereas travelling

Listed here are some tricks to preserve your water tank clear whereas on the street:

  • Change the water usually (not less than each three/4 days).
  • If you happen to do not naturally use this a lot water (in case you’re travelling solo or naturally frugal), then simply fill the tank midway every time so it is not standing within the tank too lengthy.
  • If you happen to’re motorhome wild tenting and wish to keep off-grid , you possibly can fill the tank full however remember to add chemical substances (we do that each time anyway, irrespective of whether or not we’re wild tenting or on campsites).
  • Use a correct meals grade hose to fill the water tank, and preserve it devoted JUST for this job. Preserve the hose in a protecting bag to cease the ends coming involved with different issues. See our different motorhoming necessities right here.
Motorhome Water and waste disposal guide- motorhomes and campervans
Use an applicable hose when filling your motorhome freshwater tank

Can you permit your motorhome with water in it?

Water would not retailer effectively, regardless that many plastic bottles say it should final for a number of years. However stagnant water will begin to get micro organism and slime very quickly- scarily rapidly. I all the time advocate you drain your water system down until you’re utilizing it once more inside per week.


I hope you discovered these suggestions helpful. I do know the considered catching one thing nasty out of your motorhome water system may be worrying, however utilizing a correct food-grade hose and cleansing out your system and tank usually ought to preserve the whole lot secure.

Need extra suggestions for motorhome life?

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