HYDRO emails
HYDRO sends about 7 emails a week through Klaviyo, most often on Friday around 2 PM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 7
- Busiest send time
- Fridays at 2pm ET
- Last sent
- 2 days ago · Oct 31
- Tracked since
- Aug 2026
- Emails collected
- 71
- Website popularity
- Top 1 million sites
Recent emails
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 🎃
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 🎃
Recent subject lines
All subject linesSubject lines average 33 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 31, 2026 6:15 AM | Final hours. Hydroween closes tonight 🎃 | Free Hydro Fresh almost gone. 26% off ends tonight. Last chance for Pumpkin Spice. | |
| Oct 30, 2026 11:45 AM | We doubled the discount 👀 | ||
| Oct 29, 2026 3:45 PM | We're running out 👻 | If you wanted that Pumpkin Spice freshener… time's now | |
| Oct 28, 2026 3:45 PM | HYDROWEEN: trick or treat 🎃 | Want the mystery box or a discount? | |
| Oct 27, 2026 6:50 PM | Order #72924 status: Ready for Shipping | Holding yours. Stock running low. | |
| Oct 27, 2026 2:45 PM | HYDROWEEN is live. Pick your trick or treat 🎃 | Code TRICK: Halloween Mystery Box + guaranteed Pumpkin Spice spray. Code TREAT: 13% off… | |
| Oct 26, 2026 6:41 PM | Here’s proof works | Hint: This is not AI 👀 | |
| Oct 26, 2026 3:45 PM | Something scary is coming to the garage 🎃 | Two codes. One trick. One treat. Tomorrow. |
Archive
View full archiveOctober 2026 28 emails
View allOct 26, 2026 6:41 PM
Something scary is coming to the garage 🎃
Oct 26, 2026 3:45 PM
Oct 25, 2026 6:40 PM
The beading test your car is about to fail 🚨
Oct 25, 2026 1:45 PM
Your Order + Us = FREE Shipping 🏆
Oct 23, 2026 1:55 PM
We're paying your shipping today!
Oct 23, 2026 5:05 AM
When HYDRO sends
37% of its emails arrive in the 2 PM hour. Fridays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 1 | 1 | 0 | 1 | 1 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 1 | 0 | 0 | 0 | 4 | 1 | 1 |
| 6a | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 9a | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
| 10a | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 11a | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 1 | 0 | 0 | 2 | 3 | 0 | 1 |
| 2p | 0 | 7 | 4 | 5 | 5 | 1 | 4 |
| 3p | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 1 | 1 | 0 | 0 | 0 | 0 | 1 |
| 7p | 0 | 2 | 2 | 2 | 1 | 0 | 0 |
| 8p | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 7 emails)
Based on 71 emails received from Aug 20 to Oct 31, 2026. Times in US Eastern. How we collect · When all brands send
How often HYDRO sends
The two complete months so far had 29 and 28 emails.
- Busiest month
- Sep 2026, 29
- Quietest month
- Oct 2026, 28
- Busiest day
- Friday, 17
- Quietest day
- Monday, 5
About HYDRO
- ESP
- Klaviyo
- Website popularity (CrUX)
- Top 1 million sites
- Tracked since
- Aug 2026
- Emails collected
- 71
- Emails a week
- about 7
- Last sent
- Oct 31, 2026
- Sends from
- hello@
hydrouk.co - Subject length
- 33 characters avg
Counts include automated emails such as a welcome series. Website popularity is the bracket the brand's site falls in by visits, from Google's public Chrome UX Report (CrUX).
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 80% Lowers80-lower.com · Top 1 million sites | Klaviyo | Top 1 million sites | about 7 | Tuesday | Nov 1, 2026 | Klaviyo · about 7 a week · busiest Tuesday · last sent Nov 1, 2026 | |
 Beerhunterbeerhunter.co.uk · Top 1 million sites | Klaviyo | Top 1 million sites | about 7 | Tuesday | Nov 1, 2026 | Klaviyo · about 7 a week · busiest Tuesday · last sent Nov 1, 2026 | |
 Airesairestech.com | Klaviyo | about 7 | Saturday | Nov 1, 2026 | Klaviyo · about 7 a week · busiest Saturday · last sent Nov 1, 2026 |
