Kubota Concentrated AntiFreeze #70040-0L014 - add Distilled Water or ????

lmichael

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Kubota G2160
Apr 23, 2021
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Rockford IL area
I have never not been able to find it VERY easily. Wally World, grocery store, you name it. IDK what the issue is in FLA but here in good ol Illinausea it's all over and cheap. I actually only use it to flush the system BTW and I simply buy and use premix. Then I don't have to be a chemist. It's likely if all you're gonna do is flush with tap water you're fine, and then simply make sure the block and everything is drained very well. Then refill with proper premix product. But, if you have hard water (as I do, mine is so hard it goes so far off the chart I cannot even measure it for the softener), that it's the last thing you want mixed in your cooling system
 

fried1765

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Equipment
Kubota L48 TLB, Ford 1920 FEL, Ford 8N, SCAG Liberty Z, Gravely Pro.
Nov 14, 2019
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Eastham, Ma
If you have hard water you may not be happy when you need to replace your radiator costing $400+ because you can't find a shop to re-core radiators any more.
I am far more concerned about my car body rusting out , than I am about the radiator failing from use of tap water.
 
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The Evil Twin

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L2501, LA526,
Jul 19, 2022
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Virginia
Some parts of Florida have incredibly soft water. Pensy water rivals the water from most water softening systems.
 

TheOldHokie

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L3901/LA525, G2160/RCK60, G2460/RCK60
Apr 6, 2021
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windyridgefarm.us
I just buy the pre-mixed 50/50 Prestone coolant and then a jug of concentrate and then I mix and test until I get it to minus 45*C protection. Then no worry's.
No need to test. That would be 12oz of concentrate added to a gallon of 50/50:

76/140 = 54.3% = -45F

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jyoutz

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MX6000 HST open station, FEL, 6’ cutter, forks, 8’ rear blade, 7’ cultivator
Jan 14, 2019
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Edgewood, New Mexico
I would not go with what Dr. Google recommends. Distilled is the purest form of water. For flushing the system, both are probably equal. Heck, for flushing i just use my tap (filtered and softened) water. However, for mixing the coolant, distilled is the preferred choice for long term use.



Its fine as long as you aren't running it through metal pipes or your water heater. Drinking significant quantities of either distilled or deionized aren't recommended though. The body needs the minerals in regular old water.
True, but your tractor cooling system doesn’t need those minerals.
 
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The Evil Twin

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L2501, LA526,
Jul 19, 2022
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True, but your tractor cooling system doesn’t need those minerals.
I'm sort of perplexed with the "but" in your post. I never said it did. Quite the opposite. Never said cooling systems do. My reference to drinking it was in response to another post.
 
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ItBmine

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B2620, RTV-X1100C
Jan 21, 2014
1,524
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Canada
my 'solution' is that I don't go out when it's -37 let alone -45 C or F !!
So far not getting it, or much snow this winter. I love global warming! LOL

Now that I said that, we will probably get winter in May this year, LOL
 
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william.thomask

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water filtration
Sep 28, 2026
1
0
1
canada
I’m dealing with a similar question about water quality when working with cooling-system fluids. Apart from distilled water, does anyone here have experience using water from a home reverse-osmosis system for this kind of application? I’m looking into RO systems for homes and was wondering whether the low mineral content would make the water suitable, or if distilled water is still the safer choice for coolant mixing.
 

lynnmor

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B2601-1
May 3, 2021
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Red Lion
I’m dealing with a similar question about water quality when working with cooling-system fluids. Apart from distilled water, does anyone here have experience using water from a home reverse-osmosis system for this kind of application? I’m looking into RO systems for homes and was wondering whether the low mineral content would make the water suitable, or if distilled water is still the safer choice for coolant mixing.
Distilled is slightly purer than RO, but either is fine. Factor the filter and power costs if you are looking to save money.
 

JonM

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wisconsin
walmart sams club costco probably dollar tree dollar general aldi woodmans heb roundys etc. even auto parts stores home depot menards google is wrong on that because that stuff is used for certain things it is not for putting in motors.
 

lynnmor

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B2601-1
May 3, 2021
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Red Lion
walmart sams club costco probably dollar tree dollar general aldi woodmans heb roundys etc. even auto parts stores home depot menards google is wrong on that because that stuff is used for certain things it is not for putting in motors.
What "stuff" is that?