All I know is that citric acid is dirt cheap in powder form, especially if you don’t need food grade.
Add water, and mix to taste: When it’s the most sour thing you’ve ever tasted, it’s about right.
Source: We use barrels of the stuff in the offshore industry to descale steel hardware that has been on the seabed. Just don’t tell the HSE department that you’re judging acid strength based on flavor, they’ll only see the acid-part and freak out.
CLR is citric acid based. Not sure if that or lemon juice is cheaper though.
All I know is that citric acid is dirt cheap in powder form, especially if you don’t need food grade.
Add water, and mix to taste: When it’s the most sour thing you’ve ever tasted, it’s about right.
Source: We use barrels of the stuff in the offshore industry to descale steel hardware that has been on the seabed. Just don’t tell the HSE department that you’re judging acid strength based on flavor, they’ll only see the acid-part and freak out.
That’s how my tradesmen when I was an apprentice would mix coolant.
I’m not sure even 15 years later if he was just having me on or not. But you can certainly tell strong coolant by taste haha