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A filter you can put on the bench, check yourself, and use from day one.
HolyH₂O started with a Sydney dad asking too many questions about his family's water. Trinity is the answer: no plumber, no power, no guesswork. It was independently tested by AS Enviro, cut fluoride by 99.5%, and adds calcium and magnesium back so it tastes smooth. Everything we sell has to pass one test: would we use it in our own homes, every single day?
Dispatch: from our Sydney warehouse within 48 hours.
Shipping: free standard delivery on orders over $99, usually 4 to 7 business days. Express is available at checkout.
Returns: set it up dry and look it over. Unused, it's returnable within 100 days. See what's covered
*Lifetime guarantee: your filter is covered for life with an active Subscribe & Save subscription.
Email hi@holyh2o.com.au and our Sydney team replies within one business day.
Trinity by HolyH₂O is a benchtop water filtration system designed for Australian tap water. Its multi-stage filtration reduces fluoride, chlorine, chloramine, lead, heavy metals, VOCs, rust, sediment and more across a 180+ contaminant panel, then adds calcium and magnesium back into the water.
No plumbing. No power. No wasted water. Just cleaner, better-tasting water straight from your kitchen bench.
Independently tested
Most standard jug and carbon filters are not designed to significantly reduce fluoride. Trinity uses an activated alumina stage to reduce it without reverse osmosis or plumbing.
In third-party testing by AS Enviro, an ISO/IEC 17025:2017 accredited laboratory, fluoride dropped from 2.0 mg/L to 0.01 mg/L, a 99.5% reduction.
What Trinity reduces
Tested across a 180+ contaminant panel, including PFAS and PFOS.
More than filtration
After filtration, Trinity adds calcium and magnesium back into the water and can raise pH by up to +2.0, helping create a smoother, cleaner taste.
Why you'll love it
Prefer an all-glass setup?
Discover our premium 100% Glass Trinity , including a glass tank and glass filter cartridge housing.
Compare your options
Trinity combines broad contaminant reduction with added minerals, no plumbing and no wastewater.
| What matters | Trinity | Jug / carbon filter | Reverse osmosis |
|---|---|---|---|
| Reduces fluoride | Yes, 99.5% | Typically no | Yes |
| Reduces chlorine + chloramine | Yes, 99%+ | Varies | Yes |
| Reduces lead + heavy metals | Yes, 99.9%+ | Varies | Yes |
| Reduces VOCs, THMs + fine particles | Yes | Limited / varies | Yes |
| Adds calcium + magnesium | Yes | No | Typically removed |
| No plumbing required | Yes | Yes | Usually no |
| No wastewater | Yes | Yes | No |
| Independently tested | Yes | Varies | Varies |
Fluoride, chlorine, lead and heavy-metal figures are from third-party testing of the Trinity system by AS Enviro, an ISO/IEC 17025:2017 accredited laboratory. Jug and reverse osmosis columns describe typical category performance and may vary by system. View the full report.
Reduction figures are from third-party testing of the Trinity system by AS Enviro, an ISO/IEC 17025:2017 accredited laboratory. Results vary with source water and usage conditions. Australian mains water meets the Australian Drinking Water Guidelines. This information describes filtration performance and is not medical advice.
We don't ask you to take our word for it. Trinity went to an accredited lab, and the results are published below.
Tested by AS Enviro, an ISO/IEC 17025 accredited laboratory. Fluoride went from 2.0 mg/L to 0.01 mg/L.
See all contaminant results →No scare stories. Just what's in it, why it's there, and what Trinity does about it.
Your water authority adds one of them to keep the supply free of bacteria on its way to you. It's also what you can smell in a hot shower.
Trinity targets bothAdded to most Australian supplies as a public health measure for teeth. Whether you want it in your drinking water is your call, not ours.
Trinity gives you the choiceThese form when chlorine meets organic matter in the pipes. They're the reason some tap water has that faint pool-water taste.
Reduced at the carbon stageNot usually in the supply itself. They're picked up along the way, from older plumbing, fittings and tapware inside the house.
Reduced at the KDF stageTap water goes in the top and gravity does the rest. Follow it down to your glass.
Catches sediment, rust and particles first, so the stages below can do their job properly.
Activated alumina grabs fluoride. KDF copper-zinc tackles chlorine, lead and mercury. Activated carbon traps THMs and odours.
Volcanic stone, natural crystal and kiln-fired ceramic balls add calcium and magnesium back in, for a smooth, fresh taste.
We asked. Here's what they told us about life after the switch.
Real reviews from verified Trinity owners. Unedited, photos and all.
Love that my new water source is an important part of my ongoing health journey as I age.
I’m drinking more water as a result of having my water filter on my kitchen bench.
The water from this filter tastes soo clean. It is truly divine and I'm extremely happy with my purchase!
I really love my purchases . I’m enjoying the taste of the water 💧 and it helps me to drink heaps more which I haven’t been doing . ✅
It help me cleansing out all the heavy metals, toxins in my cellular level inside of my system.
Love the taste in trinity water filter because I have used other filters and taste was not the same.
It doesn't just mask the taste; it truly purifies the water.
With the Trinity Filter, my water not only tastes pure but also feels refreshing.
Overall rating: 4.9 / 5 from 2568 reviews.
Love that my new water source is an important part of my ongoing health journey as I age.
Store owner replied: It's wonderful to know the Trinity is contributing positively to your well-being. Thanks again for sharing your experience and here's to your health!
I have 6 bottles of filtered water in the fridge ready for the family to use and we can go straight to the tap for a glass of freshly filtered water any time. It’s so nice to be able to do that! I’m drinking more water as a result of having my water filter on my kitchen bench. So that’s great 😀
This water filter is probably the best investment I made last year. I already had a filter on my kitchen tap and thought the water I was drinking was ok but compared to the H2O filter it's disgusting. The water from this filter tastes soo clean. It is truly divine and I'm extremely happy with my purchase!
I really love my purchases . I’m enjoying the taste of the water 💧 and it helps me to drink heaps more which I haven’t been doing . ✅
This is the best decisioned I’ve ever made in my life purchasing this product HolyH20 water filter. It help me cleansing out all the heavy metals, toxins in my cellular level inside of my system. One of my formula for holistic approach in my healthy lifestyle thank you ☺️ ♥️.
Love the taste in trinity water filter because I have used other filters and taste was not the same. My granddaughter says miracle filter water. What more can I say. Very satisfied. Sandra
After trying several filters, HolyH2O's Trinity Filter is the real deal. It doesn't just mask the taste; it truly purifies the water. I can't imagine going back to regular tap water after experiencing this level of quality.
The HolyH2O filter has exceeded my expectations. With the Trinity Filter, my water not only tastes pure but also feels refreshing. It's a small addition to my kitchen that has made a significant impact on my daily hydration.
HolyH2O's Trinity Filter has made me appreciate the simple pleasure of a glass of water. The taste is noticeably crisper, and the lack of any strange aftertaste is a game-changer. I'm genuinely impressed.
Living out in the sticks, water quality can be hit or miss. Since using HolyH2O's Trinity Filter, every sip is a delight. I never knew tap water could taste this good!
I never thought I'd be so passionate about a water filter, but HolyH2O's Trinity Filter has won me over. It's transformed my tap water into something I genuinely enjoy drinking. My morning routine just got a major upgrade.
HolyH2O's water filter has made me a believer in the power of clean water. The Trinity Filter has eliminated the chlorine taste, and now every sip is a delight. I highly recommend it!
The improvement in water taste with HolyH2O's Trinity Filter is remarkable. It's like upgrading from regular to premium. I'm enjoying every glass, and it's encouraging me to stay more hydrated throughout the day.
HolyH2O's filtration system has made me forget about the need for bottled water. The Trinity Filter not only purifies but enhances the natural taste of tap water. It's an investment in my health and well worth it.
HolyH2O's water filtration is top-notch. The Trinity Filter ensures that my water not only tastes better but also enhances the flavor of my coffee and tea. It's a small investment that pays off in a big way.
Purchased as an ad on as I didn’t want to need it in a couple of months - turns out you don’t have to for up to 12 months so that’s good - I’m super prepared and still didn’t have to pay twice for postage!
I had been so sick of the tap water tasting awful!! I can’t believe how wonderful the water tastes now I’m using the water filter system, really surprised how easy it is to drink 2 litres plus per day when I could barely drink 2 glasses 🙏
Love the water, easy to use and re-fill. The support team is always there to help. Thank you HolyH2O.
HolyH₂O™ Trinity | Remove Fluoride, Chlorine & Heavy Metals from Aussie Tap Water
Store owner replied: Thanks for your fantastic feedback and for being a valued part of the HolyH2O family!
Love my water filter and service you provide
Trinity Replacement Filters | HolyH₂O™
Store owner replied: Thank you for being a valued part of the HolyH2O™ family; we look forward to continuing to provide you with excellent service.
Love it! All family is using now.
HolyH₂O™ Trinity | Fluoride Water Filter
Store owner replied: Ensuring access to clean, refreshing water for every family is at the core of what we do, and your feedback truly reinforces our mission. Thanks again for your fantastic review!
Best thing we ever did! After spending so much money on bottled water we bought this system and have never looked back. In fact bottled water has an awful taste now. We have never drunk so much water! Best investment ever! Our family is totally satisfied with this product highly recommended!
Trinity by HolyH₂O™ | Fluoride Filter
Store owner replied: Your satisfaction and commitment to healthier hydration are exactly what we strive for, and we are delighted that Trinity has exceeded your expectations. Thanks for your glowing review!
The upgrade size is fantastic! We are all drinking more water that tastes like water is meant to taste.
Trinity by HolyH₂O™ | Remove Fluoride from Aussie Tap Water
Store owner replied: Your positive experience with the Trinity brings us immense joy. Feedback like yours truly reinforces the value we strive to deliver to every customer. Thanks again for choosing HolyH2O!
I feel happy about drinking this water, it tastes clean and l know l'm not drinking harmful contaminates!
Store owner replied: It's wonderful to know our commitment to pure, safe drinking water resonates so strongly with your experience every day. Thanks again for choosing HolyH2O!
Very happy with my filters, after being sorted with the change in filters and sizing. The water tastes great - so much better than the tap water. I use it every day as part of my health journey, especially as I get older - in my 60's.
Love this water filter. Water tastes the best.
Store owner replied: Thanks for your wonderful review, and we look forward to serving your hydration needs in the future!
I just changed my trinity replacement filter after 6 months and the taste so refreshing and pleasant.
Store owner replied: We are delighted that you are enjoying the benefits of clean, great-tasting water every day. Thanks again for trusting HolyH2O with your hydration needs.
Best tasting water
Store owner replied: Thanks for choosing HolyH2O and we look forward to serving you again soon!
Love the taste and certainly beats buying 10 ltrs twice a week.
Store owner replied: Thanks for choosing HolyH2O, and we look forward to continuing to provide you with pure and delicious water!
Very happy with the Infinity Water Filter and the Hydrolizer
Love having good tasting water. My health certainly has improved.
4 weeks in and it looks like the ceramic filter is doing a great job! Water tastes amazing!
Loving the water filter
We love our filter so much!!
water tastes so fresh
Is such a great improvement in the taste of the water, I am very happy with it.
Lovely tasting water in a very user-friendly container. Thank you.
So easy to set up, quick, convenient, tasty, pure tasting water.
Convenient
Very happy with my purchase. The service provided by the team was great.
We ordered and paid for our new system, however we found out we had a part missing. I emailed the company with the pictures and the missing piece was sent out in the post and it arrived very quickly. Great service and we live our water filtration system.
Before Trinity, I tried the jug in the fridge and the bottles from the shop. Here's how they stack up.
*Lifetime guarantee with an active Subscribe & Save subscription.
Choose your Trinity size ↑If your filter ever fails, that's on us.
Stops working under normal use? We replace it free while your filter subscription is active.
Refills arrive on schedule, so your water stays fresh and your guarantee stays on.
The 12L suits one or two people, the 16L is the family pick, and the 22L suits a busy household or a share house. Dimensions are 29x29x60cm, 32x30x62cm and 35x29x67cm, so check the gap under your cupboards before you choose. Prefer glass? The 8L Glass has a borosilicate glass tank on a bamboo stand, with the same filter media inside.
Yes. Nothing is drilled, plumbed or wired in, so it sits on the bench and moves house with you.
The 12L, 16L and 22L tanks are food-grade material that is free of BPA, BPS, estrogenic activity and androgenic activity. The 8L Glass has a high borosilicate glass tank with a bamboo lid and stand. Every size uses the same filter media. If you want the cartridge casing in glass as well, that's our 100% Glass Trinity.
No. Trinity is made for cold water only. Hot water damages the filter media, and that isn't covered by the guarantee.
Yes. Chloramine is what several Australian networks use instead of chlorine, and Trinity reduced it by 99.0% in independent lab testing.
Go by the schedule first. On the 12L, 16L and 22L, the ceramic and mineral stages last about 8 to 10 months and the main cartridge about 4 to 6. On the 8L Glass, the cartridge lasts about 3 to 4 months, depending on how much you use and the quality of your water source. If the taste changes earlier than that, swap it sooner. Give the mineral stones a rinse under the tap when you change the cartridge.
Email hi@holyh2o.com.au. Our Sydney team reads every one and replies within a business day.
