Own a part of a 2000 year old overnight success
Live - Open for investment Posca Hydrate Pty Ltd
Posca Hydrate Pty Ltd | Equity Crowdfunding Offer
Private investment closes in
On-Market BookBuilds Pty Ltd (ABN 31 140 632 024) (“OnMarket”) operates under an Australian Financial Services Licence (AFSL 421 535) issued by the Australian Securities and Investments Commission.
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The Ancient Romans were on to something
Roman legions marched on posca. Water, red grape vinegar, salt. It kept the legions upright across an empire for the better part of a thousand years, and then it vanished.
Merrick Watts brought it back on his kitchen bench. Not as a history project, as a hydration soda built for today in flavours people actually want to drink. Zero sugar, four electrolytes, prebiotic fibre, red grape vinegar.
Ed Stening first assessed Posca Hydrate as an acquisition target at Lion and advised Merrick on the business. Nine months later Merrick came back and asked him to turn it into a business.
More than 800,000 cans sold. Ranged in over 3,000 locations. Independently tested. A complete next-generation product landing November 2026.
The recipe is 2,000 years old. The business is just getting started.
Want to know more? Watch the Investor Q&A here.
Seven reasons this is not a novelty
- A category with our name on it. Hydration Soda. Hydration and gut health in one can, where everything else in the fridge picks a side.
- A A$1 billion category, and we are in two parts of it. IBISWorld puts Australian functional beverage production at about A$1.0 billion in 2025 to 26, with fermented drinks at 33.7% and sports drinks at 23.5%. Posca Hydrate is built for both.
- Proof in the fridge, not the deck. More than 800,000 cans sold, over A$2.5m in gross revenue, ranged in over 3,000 locations, DTC repeat purchase above 36%.
- A founder story you cannot manufacture. Merrick Watts invented Posca Hydrate on his kitchen bench. Ed Stening assessed it as an acquisition at Lion, then joined as co-founder and CEO.
- Known by few. Chosen by most who meet it. Tracksuit tracking from May to July 2026 puts Posca Hydrate at 8% awareness. In a separate cohort of Australian women aged 25 to 44 in households earning A$75,000 or more, 80% of those aware would consider it against a 56% competitor average, and 75% of those considering it prefer it against 29%.
- Tested, not just claimed. 492 mOsm/kg on independent osmolality testing. HASTA screening across all three flavours found no prohibited substances in the tested samples. A two-year shelf life.
- The next generation, November 2026. A 250mL format that fits more fridges, redesigned packaging, an evolved liquid, and Halal ingredient inputs built for export.
Hydration and gut health. One can.
Posca Hydrate is a Hydration Soda. Sparkling, zero sugar, no caffeine, built to do two jobs at once. Four electrolytes, magnesium, potassium, sodium and calcium, and prebiotic fibre provide the functional proof, supported by red grape vinegar and 100% Halal ingredient inputs. It supports sustained hydration and electrolyte balance, metabolic wellness, satiety and a healthy gut environment.
Three flavours: Yuzu, Pineapple and Grape.
The business sells through wholesale and distribution partners, independent and convenience retail, travel and hospitality, events, and direct to consumers online. Production is outsourced to Australian manufacturing partners, a capital-light model that keeps the company's money in formulation, brand, demand and getting product into the right fridges.
From November 2026 the next generation arrives. A 250mL format that fits more fridges and more price points, redesigned packaging with stronger shelf impact, an evolved liquid, and sharper ownership of the Hydration Soda position.
Easier to understand. Easier to try. Built to scale.
The fridge is changing
Australians are walking away from sugar and towards function, and they are not willing to give up flavour to do it.
Roy Morgan has 5.7 million Australians aged 14 and over drinking a probiotic, sports or energy drink at least weekly. Australian Bureau of Statistics data shows the share of Australians drinking sugar-sweetened beverages down 22.3 percentage points, while electrolyte, energy and fortified water rose 2.4 points.
The audience is already there. A GWI cut supplied by Affinity identifies approximately 2.1 million Australian sports and hydration drinkers, around 1.5 million of them Gen Z and Millennial.
Most of the category still asks that shopper to choose, function or flavour, sports aisle or soft drink aisle. Posca Hydrate sits exactly on that trade. It is not a sports drink with a story attached. It is the drink that came before sports drinks, rebuilt as a soda.
And the occasions are wider than sport. Work, travel, heat, recovery, and the one nobody else will say out loud, before a big night and the morning after.
One store sells 82 cans a day
- More than 800,000 cans sold since launch.
- Over A$2.5m in gross revenue since launch. A gross measure, not net revenue.
- Ranged in over 3,000 locations, across independent grocery, convenience, travel and hospitality.
- DTC repeat purchase above 36%. People do not try it once.
- 82 cans a day, the average reported at LaManna Essendon Fields.
- More than 1,000 cans sold at the Good Food & Wine Show Sydney, with thousands more sampled.
- 15.8 million combined campaign reach and an estimated A$16m in media value from A$1.129m of spend, roughly 14 times over.
Individual store and event results show what happens when taste, trial and the right environment come together. They are not representative of every store or every event.
In July 2026 the SPC national field team was activated for Posca Hydrate for the first time, bringing store-level execution, merchandising and reorder discipline to distribution the business already holds.
The distribution is built. The next job is awareness.
You cannot fake 2,000 years
Positioning. Hydration Soda is ours to define. Two categories in one can, in a fridge where everything else picks a side.
Evidence. A formulation supported by independent osmolality testing and HASTA screening of tested samples, gluten free, with a two-year shelf life. The shelf life is what makes retail, airline and export channels possible at all.
Protected marks. Australian registered word and device marks, with registrations or applications across a number of international markets.
The engine. A founder-led media and partnership engine that has generated substantial reach without relying only on paid digital acquisition.
The story opens the door. The product and the founders keep people in the room. Neither works without the other, and that is the part nobody can copy.
Own it. Wear it. Share the liquid.
Invest in Posca Hydrate and you do more than buy shares. You join the Legion. Every shareholder gets a DTC discount set by tier, access to The Forum, and an opt-in place on the Legion Roll.
Directors
Ed Stening
Co-founder, CEO and Director
Merrick "Mez" Watts
Co-founder, Inventor and Director
Courtney Fitzsimmons
Non-executive Director
Idris Jama
Non-executive Director
Team
Laurel-Lyn Rubio
Chief Financial Officer
Kat Murray
Global Head of Operations & Supply Chain
Mick Boston
Creative Director
Tom Bills
Marketing and Partnerships
Rosie Callingham
Junior Creative
Mimi Goldberg
Brand Activation & Content Producer.
Strategic Advisors
Dr Jessie McLachlan
Medicine, Preventative Health & Longevity
Dr Dan Pronk
Medicine, Resilience & Human Performance
Anubha Sahasrabuddhe
Beverage Strategy, CEO & Managing Director of Lion ANZ
Adam Ferrier
Consumer Psychology & Brand
Gavin Solomon
Capital Strategy & Investor Networks
Steve Grace
Talent & Scale-up Growth
Faz Habib
United States Capital Formation
Joseph "Da Rulk" Sakoda
Human Performance & United States Relationships
Pia Mia
Brand ambassador & International Audience
Terms of the Offer
Issued Capital
For more detailed information, please read the Capital Structure section of the offer document.
Use of Funds
For more detailed information, please read the Use of Funds section of the offer document.
Company Risks
Posca Hydrate is the Hydration Soda: sparkling, zero sugar, four electrolytes and prebiotic fibre, built on a 2,000 year old Roman recipe. As with any growth business, an investment in the Company should be seen as high-risk and speculative. A description of the main risks that may impact their business are listed in the offer document. Investors should read this section carefully before deciding to apply for shares under the Offer. There are also other, more general, risks associated with the Company (for example, early stage losses and going concern, distributor and customer concentration, consumer adoption, working capital, manufacturing, quality and supply chain, food, advertising and product-claim regulation, competition, key people, IP and reputation, international expansion, or the inability to sell their shares). See the Risk section in the Offer Document for further information.
The Offer is subject to a Maximum Subscription amount of $5,000,000. If the Maximum Subscription is reached, the Offer will close early. Applications will be treated on a time priority basis and may be subject to scale back, so please fund your application as soon as possible.
RISK WARNING: Crowd-sourced funding is risky. Issuers using this facility include new or rapidly growing ventures. Investment in these types of ventures is speculative and carries high risks. You may lose your entire investment, and you should be in a position to bear this risk without undue hardship. Even if the company is successful, the value of your investment and any return on the investment could be reduced if the company issues more shares. Your investment is unlikely to be liquid. This means you are unlikely to be able to sell your shares quickly or at all if you need the money or decide that this investment is not right for you.
Even though you have remedies for misleading statements in the replacement offer document or misconduct by the company, you may have difficulty recovering your money. There are rules for handling your money. However, if your money is handled inappropriately or the person operating this platform becomes insolvent, you may have difficulty recovering your money. Ask questions, read all information given carefully, and seek independent financial advice before committing yourself to any investment.
5 DAY COOLING OFF PERIOD: There is a 5 business day cooling off period for retail investors. During this period, you may withdraw your application and receive a full refund into your nominated refund account. Please note: After the 5 day cooling off period has expired, you will be unable to withdraw your application. More information here.
ONMARKET FEES: Upon successful completion of the Offer, a maximum fee of 6.5% of the funds raised will be paid to OnMarket by the Company.
ONMARKET INTERESTS: OnMarket and its associates may be participating in this offer.
ONMARKET INTERESTS AND AMOUNTS SUBJECT TO COOLING OFF: The funding bar displayed under each crowd funding offer may include applications where payments are yet to be made and amounts that are subject to the cooling off period.
Section 734(6) disclosure: The issuer of the securities is Posca Hydrate Pty Ltd ACN 656 988 920. The securities to be issued are fully-paid ordinary shares. The disclosure document for the offer can be obtained by clicking on the link above. The offers of the securities are made in, or accompanied by, a copy of the disclosure document. Investors should consider the disclosure document in deciding whether to acquire the securities. Anyone who wants to acquire the securities will need to complete the application form that will be in or will accompany the disclosure document (which can be done via the electronic application form which will become available by clicking the bid button above)
Question time
We'd love to answer your questions, we'll have one of the OnMarket team or the company representative of the offer get back to you asap. So ask away ...
Hi, are shares issued under this CSF offer expected to qualify for ESIC tax incentives for investors, and if not, why not? Thank you. Helen
Helen T (OnMarket member) on 05/11/2026Hey Helen,
Edward S (Posca Hydrate Pty Ltd representative) replied to Helen T on 05/11/2026Thanks for asking, and for taking a closer look at Posca Hydrate.
Unfortunately, this offer wont qualify for ESIC tax incentives. We qualified at an earlier stage, but the business has grown beyond the income limit that applies.
One of the key requirements is assessable income of $200,000 or less in the previous income year. Our revenue has already grown past that level. There are also eligibility rules around the companys age, expenditure and innovation, so qualifying previously doesnt automatically carry over to a later raise.
Weve spent the past few years developing the product, building our customer base and establishing distribution. This raise is about supporting the next stage of that journey.
Really appreciate you doing your homework and considering joining the Legion.
Cheers,
Ed
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