Your clients reminded when their backflow test is due, and booked with you

Send us last year's client list. We remind each client when their yearly test comes due, with a link that books you. C$15 per booked retest (US$12 in the US), nothing otherwise: no monthly fee, no setup.

Send me 3 sample reminders in my firm's name

Within the hour: your clients due in the next 90 days and three reminders in your firm's name. Nothing goes to a client until you press Start.

How it works

Reply to Ethan's email with your client list, in any format: a spreadsheet, an export from your software, or a photo of your book.
We send you a preview of three reminders, written in your firm's name, before anything goes out.
You approve. Each client gets a reminder when their test comes due, and a second one a week later if they haven't booked.
A client picks a time on a page with your name on it. You get the booking by email, with their address and their assembly.
We charge C$15 for each retest booked that way. A reminder that books nothing costs nothing.

For comparison, a booked job from Google's Local Services ads costs a US contractor about US$170 (US data, Searchlight Digital).

What your client receives

Sample · made-up firm and client

Subject: Your backflow test is due: 123 Main St

Hi Pat, Your backflow assembly at 123 Main St was last tested by Harbour Backflow on 14 Oct 2025. It needs testing every year, so it is due by 14 Oct 2026. Book a time with Harbour Backflow: [your booking link] Any question, reply to this email and it goes straight to Harbour Backflow. Sent for Harbour Backflow · 1 Sample Road, Victoria, BC · 250-555-0100 · Unsubscribe

Open the booking page your client sees

The page they book on

Sample · made-up firm and client

Harbour Backflow

Yearly backflow test · 123 Main St · due by 14 Oct 2026

Tue 6 Oct, morningThu 8 Oct, afternoonMon 13 Oct, morning

Or call Harbour Backflow at 250-555-0100. The price is Harbour Backflow's own; nothing is added to it.

What the reminders could be worth

Clients you tested last yearYour usual test priceC$Share who don't rebook on their own%

That is about 40 clients a year who don't come back unless someone asks them.

If they book	Tests	Your revenue	Our fees
A quarter	10	C$950	C$150
Half	20	C$1,900	C$300

An illustration from your own numbers, not a promise of how many will book.

Who you would be working with

Filed is a sole proprietorship run by Ethan Kerr, at 425 Simcoe Street, Victoria, BC V8V 4T3. Write to help@backflowfiled.com; a person reads every message.

Your client list stays yours. We never contact your clients except the reminders you approve. Every reminder carries your name and an unsubscribe. You can stop any time.

Questions testers ask

Is this allowed under CASL? CASL lets a business email clients it has done business with in the past two years (an existing business relationship). Every reminder names your firm and how to reach you, and carries an unsubscribe that is honoured at once.
And in the US? CAN-SPAM asks for your name, a postal address and a working unsubscribe in each email; every reminder carries all three.
Who do replies go to? To you. A client who replies to a reminder is writing to your address, not ours.
What if a client books someone else? Nothing is charged. We charge only for a retest booked through your link.
Can I see every reminder first? Yes. Nothing goes out until you have approved the preview, and you can change the wording.
How do I stop? Reply "stop". Reminders stop that day, and we delete your list on request.