chlorine only vial

Try cleaning it with rubbing alcohol. Rinse it well.

Or, you can get one from TFTestkits.net.
 
You know what I've done (because I'm such a cheapo), is measure 10 ml in my other tube that I use for TA. It doesn't have ink, only the markings. As long as that tube is clean, I measure 10 ml then pour it into my chlorine only tube. Maybe not ideal, but it helps me to know I actually have 10 ml measured correctly.
 
You know what I've done (because I'm such a cheapo), is measure 10 ml in my other tube that I use for TA. It doesn't have ink, only the markings. As long as that tube is clean, I measure 10 ml then pour it into my chlorine only tube. Maybe not ideal, but it helps me to know I actually have 10 ml measured correctly.
I like cheap! I'll give that a try.
 
You know what I've done (because I'm such a cheapo), is measure 10 ml in my other tube that I use for TA. It doesn't have ink, only the markings. As long as that tube is clean, I measure 10 ml then pour it into my chlorine only tube. Maybe not ideal, but it helps me to know I actually have 10 ml measured correctly.
Why not take it one step further and take a permanent marker and mark it where the 10 ml line is (on the Chlorine only tube). Now you don't have to swap it out, you know where the 10 ml line is.
 
Why not take it one step further and take a permanent marker and mark it where the 10 ml line is (on the Chlorine only tube). Now you don't have to swap it out, you know where the 10 ml line is.
I've thought of that, but I'm sloppy with a marker and would probably mess everything up. Ha
 
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