Subscriber Services

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To change your email or mailing address, unsubscribe, or claim a missed issue, please contact Customer Service at:

Email: [email protected]

Phone: 877-382-9187

Fax: 847-291-4816

For assistance with your eNewsletter subscriptions, please email us at: [email protected]

Mailing Address:

Water Technology
PO Box 3257
Northbrook, IL 60065-3257
USA