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http://www.better-bottle.com/technical.html
PART copied from this site.
Reasonably hot water
and an effective detergent will do an excellent job of washing
Better-Bottle carboys and fittings, without scrubbing. Never use stiff
brushes, abrasive scouring pads, or cleansers – they are unnecessary!
The fact that Better-Bottle carboys are clear and their surfaces are
hydrophobic makes them easier to wash and inspect than carboys made of
glass or other types of plastic. Better-Bottle fittings are also
hydrophobic and they are easily disassembled and reassembled, so thorough
cleaning and inspection is extremely convenient. Best practice procedures
for washing fermentation equipment will depend on many factors; however,
the end result must be equipment that looks clean on close inspection,
because scum or biofilm can protect microorganisms from sanitizing agents.1,2,3
Better-Bottle carboys and fittings are exceptionally resistant to attack
by the aggressive commercial detergents recommended for use in home
winemaking or brewing. However, there is no point to testing their limits.
Detergents should be diluted according to the manufacturer's
recommendations and contact times should not be extended unnecessarily.
Exceeding recommended concentrations will not improve washing efficiency
to a significant extent, but will increase the risk of damaging all manner
of home winemaking or brewing equipment. Storing concentrated stock
solutions of detergent for long periods in any type of carboy is not
recommended.
Better-Bottle carboys and fittings are exceptionally resistant to attack
by the aggressive commercial detergents recommended for use in home
winemaking or brewing. However, there is no point to testing their limits.
Detergents should be diluted according to the manufacturer's
recommendations and contact times should not be extended unnecessarily.
Exceeding recommended concentrations will not improve washing efficiency
to a significant extent, but will increase the risk of damaging all manner
of home winemaking or brewing equipment. Storing concentrated stock
solutions of detergent for long periods in any type of carboy is not
recommended.
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Sloshing Better-Bottle
Carboy
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The best way to wash disassembled parts of
Better-Bottle fittings and the interior of Better-Bottle carboys is to
slosh them in a reasonably hot solution of detergent, prepared according
to the manufacturer's instructions. There should be no need to fill
carboys more than 1/4 full with the detergent solution. The easiest way to
slosh a carboy is to place it sideways on a soft surface and rock it back
and forth at a frequency that results in maximum agitation. Placing a
small, thick rag, such as a face cloth, inside a Better-Bottle
carboy and refreshing the detergent solution, when it becomes heavily
contaminated, will speed the removal of stubborn debris much more
effectively than increasing the concentration of detergent or the contact
time. Better-Bottle fittings should be disassembled in order to insure
effective sanitization, because disassembly/reassembly is so easy. A soft
tooth brush or a small test tube brush will help to quickly remove
stubborn debris from the fittings. PET-lined tubing can be washed by
partially filling it with detergent solution and, with both ends of the
tubing sealed, pouring the solution back and forth from one end of
the tubing to the other for a few minutes.
Important Notes:
1) Do not leave
equipment standing in spilled detergent solution. As the water
evaporates from the spilled solution, the detergent chemicals will
concentrate to the point that they no longer remain fully dissolved,
which is a worst case situation for causing ESC Environmental Stress
Cracking (see Rinsing above, go to the site, link on top of page.)
2) Better-Bottle
strongly recommends using recognized commercial brands of detergents
that have proven effective and safe for home winemaking and brewing.
Conclusion: As a
general rule, do not a leave any winemaking or brewing equipment soaking
in detergent solutions for more than a couple hours. It should not be
necessary and doing so just might shorten the useful life of the
equipment.
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IN Conclusion: Do not use your carboy brush on you PET Better
Bottle. Maybe if you put a couple of good socks over it and secured them,
you could go after a ring of debris. Try the bottle roll described
above. Best yet, keep your jug topped up and rinse as soon as you can
after racking or emptying.
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and Check out