HYDROWEEN: trick or treat 🎃

Preview text: Want the mystery box or a discount?

HYDRO

Wednesday, Oct 28, 2026 at 3:45 PM EasternKlaviyo

HYDROHYDROWEEN: trick or treat 🎃

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HYDROWEEN: trick or treat 🎃 - email from HYDRO

Using this email in an article? Credit: HYDRO email via They Sent It, with a link to this page. Full-size image

Subject: HYDROWEEN: trick or treat 🎃
Preview text: Want the mystery box or a discount?
From: hello@hydrouk.co
Brand: HYDRO
ESP: Klaviyo
Sent: Wed Oct 28, 2026, 3:45 PM ET
Size: 52 KB
Images: 18
Links: 18, 4 of them buttons
Subject length: 27 characters

Against HYDRO's usual

Sent in the 3 PM hour, which holds 4% of its emails; 37% arrive in the 2 PM hour. The subject is 27 characters; its average is 33.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: HYDRO <[email protected]>
Subject: HYDROWEEN: trick or treat 🎃
Date: Wed, 28 Oct 2026 19:45:07 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.hydrouk.co
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.hydrouk.co s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP

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

	Oct 31, 2026 6:15 AM	Final hours. Hydroween closes tonight 🎃
	Oct 30, 2026 11:45 AM	We doubled the discount 👀
	Oct 29, 2026 3:45 PM	We're running out 👻
	Oct 28, 2026 3:45 PM	HYDROWEEN: trick or treat 🎃 (this email)
	Oct 27, 2026 6:50 PM	Order #72924 status: Ready for Shipping
	Oct 27, 2026 2:45 PM	HYDROWEEN is live. Pick your trick or treat 🎃
	Oct 26, 2026 6:41 PM	Here’s proof works