I need to order some more chems: R-0013, maybe some borate strips. But checking out the TFTestkits they also sell R-7065, R-7064, R-7063 Standard Solutions.
Questions
1) Are these worth having?
2) How do you use them?
3) What is the purpose for them?
Thanks, John
Questions
1) Are these worth having?
2) How do you use them?
3) What is the purpose for them?
Thanks, John