MCIGuy From United States of America, joined Mar 2006, 1936 posts, RR: 0
Reply 1, posted (9 years 6 months 2 weeks ago) and read 1030 times:
Nah, you're still talking about "parts per million", it won't hurt your pump. Chlorine is very corrosive itself, but takes a long time to wear out a pump. Just let it sit overnight, check the alkilinity (not just the pH), then put in Soda Ash as necessary.