SNAP IT.
Take a photo of your
dirtiest pool or spa filter.
SUBMIT IT.
Upload your photo
on our website.
WIN BIG.
Compete for great prizes
and filter bragging rights!
SUBMIT YOUR ENTRY
Upload your photo or video below for a chance to win cash prizes, OnCore products, and serious filter bragging rights.
THE DIRTY FILTER FACE-OFF CONTEST
Think you've found the worst filter of the season? Show us.
From cartridge catastrophes to DE Grids grungiest - we want to see the dirtiest filters in the field. The dirtier the better!
We'll be taking a look at what the worst filter is, the most creative photo, and the best video submitted.
You can submit either a photo or a video. Everyone is welcome to enter as many times as you like!
Once you've submitted, your entry will be open for Public Online voting in June.
Or send your entry by text:
854-204-2674
By submitting your entry, you agree to the Official Rules and give OnCore Filtration permission to use your photo or video in marketing and promotional materials.
View Official Rules
PRIZES
Best Creative Photo
Best Creative Video
2026 Dirty Filter Award
HOW THE CONTEST WORKS
ENTRY PHASE
- Pool service professionals submit photos or videos of their worst dirty filter discoveries through the OnCore Filtration website.
- Photos may be of any type, make or model of Filter Cartridge, DE Grid or Sand Filter examples. DO NOT submit photos of skimmer basket or dirty pools.
- Submitted entries will be reviewed, curated, and approved before being displayed for public voting.
VOTING & JUDGING
- Approved entries will be displayed on the OnCore Filtration website for public voting.
- The contest voting will be promoted through AQUA Magazine, OnCore Filtration, and broader industry channels.
-
Winners will be selected using a hybrid judging process based on:
- Public vote totals
- Creativity and originality
- Overall "filter nightmare" impact
- 1 VOTE per valid email
WINNERS!
- The winning creative photo, creative video and 2026 DIRTY FILTER AWARD will be announced through AQUA Magazine Eblast and on the OnCore Filtration website and on social media platforms.
Each valid entry receives an OnCore-branded cap and t-shirt as a thank-you for participating.
Contest Rules & Terms
Contest Rules & Terms
Overview
The Dirty Filter Face-Off Contest is a fun, skill-based competition open to pool service professionals and industry participants. By entering, you agree to the following rules and conditions.
Entry Period
Entries will be accepted from May 19 through June 15, closing at 12:00 PM (Pacific Time) on June 15.
Late entries will not be considered.
Voting Period
Public voting will take place from June 17 through June 30, closing at 12:00 PM (Pacific Time) on June 30.
Winner Announcement
Winners will be officially announced on July 4.
Entry Submissions
Participants may submit multiple entries, however each photo or video must
be submitted as a separate entry.
Entries may be submitted via:
Online upload through the OnCore Filtration website
Email or text message (where applicable)
Approved OnCore Filtration or AQUA social media channels
Each entry must include:
- Name
- Location (City / State)
- Contact phone number
- Contact email address
Digital Submission Policy
This contest is entirely digital. No physical photographs will be accepted or returned.
Physical photos may be submitted by photographing the image and uploading it digitally.
Content Requirements
Entries must be original, authentic, and created in good faith.
Submissions cannot be AI-generated.
Entries may not be:
Replicated from images found online
Previously published or widely distributed content
Reused from prior contests
Entries must depict real-world conditions and must not be misleading or manipulated.
Photos and videos must be taken in locations where the entrant has permission to capture and share content.
OnCore Filtration and AQUA reserve the right to review and verify authenticity of all submissions.
Usage Rights & Ownership
By entering, participants grant OnCore Filtration full ownership rights to all submitted content.
All photos and videos may be used in perpetuity, across all media, marketing, and promotional channels, by OnCore Filtration and AQUA without additional compensation.
Voting & Judging
Voting is limited to one vote per valid email address.
All votes will be validated prior to prize awards.
Winners will be determined using a combination of:
- Public voting results
- Judging panel evaluation
- Judging decisions are final and not subject to appeal
Prizes
Prizes are awarded based on merit and are not a game of chance.
Cash prizes are issued as gift cards.
Prize Categories:
Best Creative Photo: $250 Cash Gift Card
Best Creative Video: $250 Cash Gift Card
2026 Nightmare Filter Award:
$1,000 in OnCore Filtration products
OR $500 Cash Gift Card (at organizer's discretion)
Prize fulfillment will be coordinated directly with winners.
General Conditions
OnCore Filtration and AQUA reserve the right to modify, suspend, or cancel the contest at any time.
This includes changes to dates, rules, prizes, or contest structure.
Incomplete, fraudulent, or inappropriate entries may be disqualified.
Participants agree not to submit content that is unlawful, unsafe, or offensive.
No Correspondence
No correspondence will be entered into regarding contest decisions or judging outcomes.
Legal & General Disclaimer
This contest is administered by OnCore Filtration in partnership with AQUA Magazine.
By entering, participants agree to release and hold harmless OnCore Filtration, AQUA, their affiliates, employees, and partners from any and all liability arising from participation in the contest or acceptance and use of any prize.
OnCore Filtration and AQUA are not responsible for:
Late, lost, incomplete, or misdirected entries
Technical failures, including website, server, or network issues
Unauthorized interference or fraud
Errors in contest administration
OnCore Filtration reserves the right to:
Disqualify entrants who tamper with the entry or voting process
Cancel or modify the contest if required due to unforeseen circumstances
Substitute prizes of equal or greater value if necessary
This contest is void where prohibited by law and subject to all applicable regulations. All decisions made by OnCore Filtration and AQUA are final and binding.
Acceptance of Terms
By submitting an entry, participants agree to be bound by these rules and all decisions made by OnCore Filtration and AQUA.