this is the coolant found in the market today

prestone ... we have the concentrated and we have the ready to you kind ... the price of concentrated is i think about 140 for the 500ml and the ready to use is about 110 also 500ml or was it 300ml .... well anyways cheap but nice brands to use in coolant of cars

quaker - other ready to use ... cheap 90 and its in a easy to open can ... so one use only

also whiz coolant - same concept ...

toyota is also i very nice brand ... its also caltex made ... but in toyota package for those who does know

absolute distilled water is recommended since less impurities and higher boiling point since i think more oxidized is the term

usually i recommend putting coolant in the reservior ... not in the radiator ... because usually coolant make your radiator rust ... so i think it is ideal to put it in the resevior not in the tank itself

hope this helps ... based on my experience

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