User talk:2600:1700:F6D0:4030:8571:4DD2:9CBB:F558

January 2020
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Humic substance, you may be blocked from editing. CLCStudent (talk) 19:58, 27 January 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.