3 ms·
Chlorine is effective against Giardia. It requires longer exposure periods generally and can be temp dependent (ie, 1 hr vs 1 minute).
by slownews45 5y ago
Chlorine is effective against Giardia. It requires longer exposure periods generally and can be temp dependent (ie, 1 hr vs 1 minute).
- engineer_22 5y agoYes, that's right. Cryptosporidium, another common parasite, is much more resistant to Chlorine