Were just about to move off grid.
Ive found a 5000 litre water deposit for our house / rain water to be stored.
Will this plastic container contain parabens? i.e. will the water be contaminated by the plastic?
Any tips on what else to use? maybe galvanised steel?
Hi Sebastian. My guess as to the plastic contamination would be yes, if not immediately, then slowly, over time. If it's plastic, it will eventually break off tiny pieces of itself.
Whether this will affect you, and get into your drinking water, might be another matter. If it's cool rainwater entering the system, and if its kept out of excessive sunlight, it is possible that the leaching will be minimal.
Personally, I would use it in a pinch, but keep an eye out for a safer, longer-term solution.
Let us know how it goes, and good luck.
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I have not been able to find any confirmed hazards posed by modern plastic rainwater tanks designed for drinking water. That does not mean there cannot be unknown risks though, however you can say the same about alternative materials too.
Eating and breathing creates free radicals which is bad for us.
Disinfecting water is has some stuff bad (chlorine/ozone/H2O2/UV/RO), but it might be the lessor of two evil.
I think ferrocement is the best, followed by iron, then plastic. but they all leach stuff. I would say use Reverse Osmosis filter in the kitchen but I think that is made from plastic. but there is ceramic filters so that at least the water you are drinking has less leached chemicals in it.
I am with Chris Wang on this.
Rumours about plastic being unsafe always travel faster than the truth.
10000's of plastic tanks are used in Australia.
Other than guessing, a sure fire way of getting it wrong, contact the manufacturers and seek information from them.
In Australia thee is a Standaed to which tanks must be manufactured to.
I am ware some Chinese made tanks are getting around, and I am also aware, they rarely meet any standards at all.
So do the research I think you will be satisfied with plastic after you see the facts
John Daley Bendigo, Australia
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