Your filter came with a secret weapon.

Preview text: Here's how to use your TDS tester — and what the numbers mean.

ZeroWater Technologies

Monday, May 18, 2026 at 10:45 AM EasternKlaviyo

ZeroWater TechnologiesYour filter came with a secret weapon.

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Subject: Your filter came with a secret weapon.
Preview text: Here's how to use your TDS tester — and what the numbers mean.
From: customerservice@zerowater.com
Brand: ZeroWater Technologies
ESP: Klaviyo
Sent: Mon May 18, 2026, 10:45 AM ET
Size: 57 KB
Images: 5
Links: 11, 3 of them buttons
Subject length: 38 characters

Against ZeroWater Technologies's usual

Sent in the 10 AM hour, which holds 29% of its emails; 41% arrive in the 2 PM hour. The subject is 38 characters; its average is 28.

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From: Culligan <[email protected]>
Subject: Your filter came with a secret weapon.
Date: Mon, 18 May 2026 14:45:25 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: send.zerowater.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=zerowater.com s=kl1
List-Unsubscribe: Present, one-click

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Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

	May 23, 2026 10:02 AM	Save 20% on filters that actually do the job.
	May 22, 2026 10:01 AM	🚨 Sale ending soon: 20% off 4-pack filters 🚨
	May 21, 2026 10:03 AM	☀️ Clean water all summer, for less 💧
	May 18, 2026 10:45 AM	Your filter came with a secret weapon. (this email)
	May 18, 2026 10:00 AM	🚰 Still running tap water through a tired filter?
	May 17, 2026 10:02 AM	Stock up while filters are 20% off 💦
	May 16, 2026 10:02 AM	Save 20% on your 4-pack filters 💧