How a French Water-Filtration Brand Grew Referral Revenue 11.7x
A French water-filtration brand has run a referral program with BLOOP since October 2025. Over the last six months its referral revenue grew 11.7x, and the numbers below show how.
referral revenue growth
11.7x
Oct ’25 to Oct ’26
Rewards used
99%
Friends who ordered again
26%
Friend reward
10% off
Referral revenue growth
11.7x
Rewards used
99%
Friends who ordered again
26%
Friend reward
10% off
Referral revenue index by month
Month by month, Oct ’25 to Oct ’26
Best month · Sep ’26
100
Full monthMonth in progress (to 2026-10-05)Index: best month = 100View the index as a table
Monthly referral revenue index for Home water filtration, Oct ’25 to Oct ’26, where the best month (Sep ’26) equals 100.
Month
Referral revenue index
Oct ’25
0
Nov ’25
6
Dec ’25
3
Jan ’26
5
Feb ’26
8
Mar ’26
12
Apr ’26
45
May ’26
47
Jun ’26
51
Jul ’26
71
Aug ’26
85
Sep ’26
100
Oct ’26 (in progress)
18
About the store
The store sells water filtration systems and replacement cartridges to households in France that want cleaner tap water.
The program
A French water-filtration brand runs a double-sided referral program in BLOOP, with the first referral orders arriving in October 2025. The friend gets 10% off and the customer who refers them gets €14.90 off.
Results
In the last six full months (April to September 2026), referral revenue was 11.7x what it was in the six months before, the program’s first six months.
99% of the friends who received the 10% reward used it on an order.
26% of referred friends came back and placed at least one more order after their first referral purchase.
The chart shows monthly referral revenue as an index, where the best month equals 100.
To keep this merchant’s business data private, the store is not named and results are shown as percentages and indexes only. Percentages are based on orders attributed to BLOOP referrals, excluding cancelled and refunded orders. Figures are current to 5 October 2026.