When filling 32 gallon aging drums to let sit for at least 24 hours I add 1/8th tsp. Safe. My water contains an average of 2.8 ppm chloramine but ranges as high as 4.0 ppm.
RD.
Thanks. I was reading 250 g off the label and was thinking I remembered a higher number from somewhere.
As a chemist, I made dechlorinators daily as part of my job.
I would normally make a liter at a time, and a liter for my 1000 gallons of tanks, lasted quite long.
When the lab would toss bottles of liquid sodium thiosulfate because they considered them expired, I would take them home and use them another 3 or 4 weeks. For lab use they were very anal, for tanks, older bottles worked fine for me.
I did tests to assure this, my tap water usually averages about 1-1.5 ppm chloramine.
below a straight tap water sample
below, after the addition of Sodium Thio
The active ingredient of most dechlorinators, is Sodium Thiosulfate, some add ammonia neutralizers and some other stuff, but in reality its pretty much all the same.
Kind of like Aquarium salt.
To a chemist, salt is salt (NaCl) and a 50 lb bag for $5 from Home Depot is just as effective at curing ick, as a fraction sized box of aquarium salt at 10X the price.
I'm just trying to save money so I was going to try using safe instead of prime, but if I can't measure it out properly I'll just use prime
Correct me if I’m wrong but 500 gallons divided by 4 weeks would equal a 125 gallon water change weekly and the example you gave said you had 125 gallons. Did you perhaps mean to say you had a total of 250 gallons?
Find your water report or find out how much chloramine. Do a little math and make your dosage. There's not an easy button your going to have to do a little research.
Hello; I understand and made the same decision a while back. The SAFE is much more cost effective than the PRIME for sure. I also figure there is a way to get the measure correct. You have a similar issue to mine in that I do not have a huge amount of water in tanks right now.
