On Waiheke Island, your rainwater system isn’t just a utility — it’s your lifeline. With local homes relying entirely on roof-collected rainwater, maintaining the full harvesting-to-tap system is critical, particularly during the dry summer months. Tankman are Waiheke Island’s rainwater system experts, and we make rainwater safe to drink for you and your family. 1. The Maintenance Checklist Your system has three key parts: Collection, Storage, and Delivery . Collection (Roof & Gutters)  Clear gutters twice a year, ideally in spring and autumn. Leaves, bird droppings, and overhanging trees are the most common causes of “swampy” smelling water. First-flush diverters should be checked every 2–3 months to ensure the slow-release valve isn’t blocked by silt. Always check tank inlet screens — even small holes can let in mosquitoes or rodents. Storage (The Tank)  Every 2–3 years, check the bottom of your tank for sludge. If sediment exceeds 5cm, it’s time for a professional de-sludge, usually done by vacuum so the tank doesn’t need emptying. Green algae is a sign that light is getting in — rainwater tanks must remain completely dark. Delivery (Pump & Filtration)  Most Waiheke homes use dual-stage filtration. Filters should be replaced every 6–12 months, or sooner if water pressure drops. UV steriliser bulbs also need annual replacement, even if they still appear to be working. 2. When to Call Tankman Persistent low pressure, pump cycling, murky water, or water quality concerns should be handled by professionals. With all jobs big or small we offer a full site holistic report that highlights potential water system weaknesses that addresses priority tasks with timelines. Tankman offers FIXED PRICE • NO SURPRISES • FRIENDLY ADVICE • RELIABLE SERVICE, keeping Waiheke homes water-secure all year-round. 116 Ostend Road (next to Waiheke Workout) (09) 372 7270 www.tankman.co.nz @tankmannz - Facebook

Brown or dirty tank water is most often caused by tannins—the natural compounds released when rainwater mixes with decaying leaves, pollen, and vegetation. On Waiheke, this becomes particularly problematic during pōhutukawa flowering season, when the stunning red stamens shed heavily across rooftops. As beautiful as they are, they are one of the biggest culprits behind tea-coloured water, bitter tastes, unpleasant odours, and staining on spas, sinks, and toilets. Left untreated, tannin-rich water can cause residual damage to washing machines, clogging internal parts and leaving clothes less clean with every wash. Potentially, it’s the kind of slow, hidden deterioration that can lead to costly repairs—and it’s certainly not something you want your family or summer guests to experience. Your trusted solutions:   Option 1:   Book a Tank Clean & Drain with a 10,000L water refill.  Often with tannin polluted tanks the dirty water is too hard to treat. Instead we vacuum sludge & residue from the bottom of your tank, draining all the bad water then deliver 10,000 litres of water to give you a fresh start. Option 2:  Install a Tannin Reduction Cartridge beside your sediment filter. The Purtec TR20MP2 Tannin Reduction Cartridge is designed specifically to remove tannins from your water. It works using a special ion-exchange resin that pulls out the tea-coloured stains and improves taste and smell. Because it targets tannins only, it’s best installed as part of a two or three-stage filtration system. This means: Sediment filter first — to remove dirt and debris so the tannin cartridge doesn’t clog early. Tannin cartridge next — to remove the colour. Carbon filter last — to polish the water and reduce any remaining taste or odour. Our local Tankman experts can assess your system and advise which option will work best for your Waiheke home. Depending on the quality of your tank water a combination may be needed to restore clean, safe, clear water. (09) 372 7270 www.tankman.co.nz Corner of 116 Ostend Road (next to Waiheke Workout)

Gulf News, 2 October 2025 Tankman creates solution to very Waiheke-specific problem. A frustrating reality on Waiheke is we often get hit with rough weather and power cuts, which mess with our water tank pumps and can leave us without running water. Tankman Waiheke co-director Marty Howard says he figured that was a solvable problem. And after a year and half of noodling, prototyping and testing created PumpPal - a water pump system with a backup battery that automatically kicks in when power is interrupted. Marty says he had always known it was an issue but didn't know the full impact it had on people until he and Duncan Styles bought Tankman from the previous owners a few years ago. "The problem struck me between the eyes as soon as I got on the job," he says. "You've got people climbing up ladders to get a bucket of water out the top of their tank, in the middle of a storm - just so they can tip it down the dunny." Hospitality businesses and schools must close because they have no running water and the toilets aren't working. In many island homes, similar problems occur, and they don't always end when the power comes back on. Marty says standard pumps are sensitive to power fluctuations. Often it's just a case of having to go turn the pump off and on to get water flowing again, "but sometimes the pump's damaged and doesn't come back on," he says. "It has an error or a meltdown and people need us to come around and do something to fix it. Sometimes the pump loses its prime, and we have to come and bleed the air out of the line if it has been off for too long and their system is configured a certain way." Marty says he originally trained as an electrical engineer, so he took on finding a solution to the problem as a side project. In his research he couldn't find a backup power system and pump unit out there that was right for Waiheke - so he decided to make one. "Through testing I quickly concluded that the normal pumps use too much power anyway. The bog-standard pumps just go on full bore or turn off, and if you're just running one tap you don't need that." However, Marty says, variable speed pumps which used to be too expensive for home systems have become more affordable. "These new kinds of variable speed pumps also use 40 to 70 percent less power - so that's off your power bill for a start. And that brings it in the range of being able to run it off some [onboard] power supply for a decent length of time." The final PumpPal model uses a battery pack that will keep water flowing for at least 24 hours without external power and automatically switches to battery power within a millisecond of a power cut. "Obviously, if there's a power cut, you're probably not going to be running the washing machine or dishwasher, but you'll probably want to have showers, get a drink, wash your hands and so on," he says. "And with careful water use, it will last a lot longer." Marty says hospitality businesses and schools can also benefit from his invention, just with a bigger battery. For further information, sales and trade enquiries phone Marty on +64 9 372 7270 www.tankman.co.nz or pop into the Tankman showroom - 116 Ostend Road, Waiheke Island. #tankmanwaiheke #waterpump #tankman #offrgridliving #waihekewater

Bailey Water Tanks are made from tough, lightweight plastic, and are easy to install or relocate on Waiheke Island. From 425L to 30,000L we have the rainwater tank to fit your needs. Waiheke Prices Include GST, Freight (Sealink) to Waiheke ($750 for large tanks), and delivery from our yard to your site (letterbox) 30,000L Classic Bailey Water Tank Price $5,150.00 Most Popular 25,000L Classic Bailey Water Tank Price $4,499.00 13,500L Classic Bailey Water Tank Price $3,899.00 10,000L Classic Bailey Water Tank Price $3,599.00 9000L Classic Bailey Water Tank Price $3,499.00 5000L Classic Bailey Water Tank Price $1,779.00 3000L Classic Bailey Water Tank Price $1,520.00 2100 Classic Bailey Water Tank Price $1,410.00 1800L Classic Bailey Water Tank Price $1,279.00 1000L Classic Bailey Water Tank Price $1,249.00 900L Classic Bailey Water Tank Price $999.00 425L Classic Bailey Water Tank Price $819.00 TankMate WiFi Tank Level Monitoring Sensor Price $595.00 TankMate R3 Tank Level Sensor -4G Spark or ONE cellular connection Price $695.00 The Liquidator - Water Tank Level Gauge Price $315.00 Apex Visiball Water Level Indicator Price $350.00 Hansen High Performance Tank Level Ballcock Price $250.00 Bailey Water Tanks *PLUS: Order a Tank in March and you get a $100 Prezzy Visa card Bailey Water Tanks are made from tough, lightweight plastic. Bailey Water Tanks are crafted from tough, food-grade polyethylene plastic, setting a benchmark with their adherence to the New Zealand standard AS/NZS4766 for upright polyethylene tanks. Built to last, these tanks are resistant to cracking, fading, and rusting, thanks to their robust one-piece construction. Furthermore, it makes them exceptionally strong and easy to clean. They’re also UV-stabilised to withstand the harsh New Zealand sun. We barge water tanks to Waiheke, including a wide range of stocked tanks for quick delivery. Special order water tanks take 4-8 weeks depending on the desired colour. Our Tank pricing includes barge and truck fees, holding your tank in our yard for up to one month free of charge, GST and then delivery to your letter box for any residential address on Waiheke Island on our tank cradle trailer. Rural Delivery addresses and tricky tank locations may incur extra charges. With TANKMAN® Tank and Pump Shop's expertise and exceptional customer service, you can trust that you are making a smart and practical investment for your property. We are the Waiheke Island experts Bailey Water Tanks are easy to install or move. No tank stand is required. We'll roll your Bailey Water Tank into position on your prepared site (a firm foundation with good drainage and no sharp or protruding objects) and stand it upright. On suitable locations, even the largest capacity tanks can be usually manoeuvred by 3 people. If its not possible we can use a hiab truck to lift over your house, or even a helicopter! All water tanks have vented lids and are complete with BSP threaded outlets. Inlets and overflows can be installed in the polyethylene using ordinary tools. Easy to install or relocate on Waiheke Island. Frequently Asked Questions Is a Bailey Water Tank safe for drinking water? Absolutely safe! Polyethylene is food grade approved, and is the same material that is used for water pipes. No. Many companies use polyethylene for packaging of milk, soft drinks etc. In addition, Bailey Water Tanks are not made from recycled or reconstituted materials that may once have contained harmful chemicals. Will my water taste tainted? Over 20 years. All Bailey Tanks are UV stabilised to protect them from the sun and ensure long life. They won’t rot, crack or rust. And since they’re moulded in one piece, there are no joints or weak points where leaks could occur. In addition, the colour is permanently moulded in, so your Bailey Tank will stay looking great. How long will a Bailey Tank last? Will algae grow in my water tank? No. Bailey water tanks are specially designed with water tank grade polyethylene to exclude the light that is necessary for algae growth. Yes. We have full access to the Bailey range, so if you want your tank located under a deck, against a wall or fence, or hidden completely under ground, there are tanks designed specifically for all of those purposes and more. For more information, download this Application Matrix . Do you have any other shapes / sizes / uses? Bailey Water Tank Information Bailey Water Tank Maintenance Manual Bailey Classic Water Tank Brochure Bailey Water Tank Colour Swatches

Choose and schedule your water system service from TankMan - Tank & Pump on Waiheke Island. Waiheke's Rainwater System Experts.

Join Our Clean Water Team!-Certifying Plumber Company TANKMAN Waiheke Island Location Waiheke Island, Auckland Pay & Benefits Chance to Work & Live in Waiheke Island paradise! Listed Tue 11 Mar, 2:27 pm Type Full time, Permanent (Part Time or Casual Hours also considered Are you a skilled certifying plumber looking for a refreshing change? Tired of the dirty work? Do you prefer the precision and problem-solving of clean water systems? Like the idea of moving to live in New Zealand's Waiheke Island paradise? TANKMAN Waiheke Island, a leading specialist in water tanks, pumps, and filtration systems, is seeking a motivated and reliable Certifying Plumber to join our growing team of seven. All water on the Island is sourced from roof rainwater or water bores (as there is no town supply on the Island) and we are Waihee's leading local rainwater systems supplier. We pride ourselves on providing high-quality, sustainable water solutions to our clients, and we're looking for someone who shares our passion for clean water. What You'll Do: Install, maintain, and repair water tanks, pumps, and filtration systems for residential and commercial clients. Diagnose and troubleshoot issues related to water pressure, flow, and filtration. Perform preventative maintenance to ensure optimal system performance. Provide excellent customer service and educate clients on their water systems. Work collaboratively with our team to deliver exceptional results. Maintain accurate records of work performed. What We Offer: No Weekend or evening work *A clean and professional working environment – NO sewage or drainage work! Opportunity for casual or part time hours also an option for the right person (Waiheke lifestylers welcome!) Competitive salary and benefits package. Working for a successful company with a great customer reputation A supportive and friendly team environment. Varied and interesting work with cutting-edge water technology. Work Vehicle and Tools Provided. Some financial assistance offering for moving to live on Waiheke Island for the right person What You Bring: Valid and current certifying plumbing license/certification. Strong understanding of water systems and hydraulics. Excellent problem-solving and diagnostic skills. Ability to work independently and as part of a team. Excellent English communication and customer service skills. Valid driver's license. Experience with water pumps, tanks and filtration is a bonus. If you're ready to ditch the dirty work and focus on clean water solutions, we want to hear from you! You must be serious to move to Waiheke Island. Ferry ticket expenses covered for up to 4 weeks till you move to Waikeke. To Apply: Please send your resume and cover letter to martin@tankman.co.nz or apply through www.tankman.co.nz/vacancies TANKMAN Tank and Pump Shop Waiheke Island – Delivering Clean Rain Water Solutions. Add to Watchlist Apply now Advertisement View our Job Hunting Guide. Ace interviews with our help. Advertisement Add to Watchlist Apply now TANKMAN Waiheke Island Apply now for this role or get more information by contacting Martin Howard. Martin Howard (027) 4925687 Role 2: Superstar Marketing Assistant Wanted (Part time/casual) Are you studying business, marketing, design or writing and live on Waiheke Island? Do you want to earn extra cash to supplement your student lifestyle? Would you thrive in an office setting with your own creative projects to take charge of? If you answered yes to most of the above, this role could be perfect for you. We are Waiheke's leading Rainwater System Supplier, suppling and maintaining the rainwater tanks, water pumps and water filtration equipment that supplies the water to homes on the Island. We’re hungry to expand and need a hand with our marketing activities, which could include… Working with email promotions and MailChimp Editing and preparing graphics for promotions Boosting engagement on our facebook/Instagram page Updating our WIX website www.tankman.co.nz …and more. Think you’re up to the challenge? Here’s what we need from you: Your job will include: Preparing and executing marketing comunicationd Creating special offer emails Creating direct mail promotions Updating facebook page with regular content Updating our WIX website Actively finding new marketing opportunities including print, digital and social media Desirable skills: Advanced Microsoft skills or similar Creative writing for advertising or entertainment Adobe Photoshop Graphic Design or similar Facebook skills including creating engaging content and understanding of boosting posts Facebook advertising including ad design and pixel installation Basic WIX editing Website SEO, adwords and retargeting Qualities: Self-motivated Independent Critical Thinker Problem Solver If you didn’t tick all the boxes then don’t stress… as long as you’re open to learning and picking yourself up by the bootstraps. Apply now, there’s only ONE SPOT AVAILABLE and preference is given to early applicants. Send a CV through to martin@tanman.co.nz and include your top 3 reasons why you’re the best person for the job. Applications close [15th March 2025] Applicants for this position should have NZ residency or a valid NZ work visa. ____________________________________________________________________________________ Role 3: Water Tank Cleaner The job involves inspecting and cleaning customers house tank water systems using TANKMANs specialised cleaning equipment & methods. If you are a strong fit motivated self-starter who enjoys working with your hands and are looking for a new challenge, apply today to join the growing Tankman team. This is a 40 hour per week position (8am-4.30pm Mon-Fri), but we are also prepared to accept part time for the right person. As a Water Tank Maintenance Technician, you will be responsible for inspecting, cleaning, sterilising, maintaining and repairing water tanks, and gutter collection systems for our residential and commercial clients. You will be responsible for operating our water “tank vacuum system” to remove the sludge from the bottom of water tanks, and our ground operated “gutter vacuum system” for removing gutter debris to help customers keep their water tanks clean. The ideal candidate will need to be strong and fit, and have experience in plumbing, or construction type work, or having worked on the tools for a number of years. In this role, you will be working on customer premises so good English communication skills and a friendly customer service demeanor are a must. A full clean drivers licence is required as you will be traveling in a company vehicle between client locations. This is an opportunity to be mentored by a great team who are totally committed to being the best in what they do. If your interested please email martin@tankman.co.nz with your details including previous experience and why you think you would be well suited to this role. Following success in the face to face interview stage, successful applicants will be required to perform a days practical "on the job interview" prior to job offers being made so you know for sure its the job you want and we know for sure your the person we want! You must reside on Waiheke Island to apply, and be a NZ resident or have a work visa that enables you to work legally in New Zealand. ROLE 4: Senior Water Technician (Role filled Nov 2024) We are looking for a water technician to join our growing team on Waiheke Island. As a Tankman Water Technician, you will be responsible for maintaining and repairing water tanks, pumps and filtration systems for our residential and commercial clients. The ideal candidate will need to be strong and fit, and have experience in plumbing, or construction type work, having worked on the tools for a number of years. In this role, you will be responsible for responding to service calls, diagnosing problems, and offering solutions to clients on their premises. Excellent communication skills and a friendly customer service demeanor are a must. This is a full-time position, and full clean drivers licence is required as you will be traveling in a company vehicle between client locations. If you are a self-starter who enjoys working with your hands and is looking for a new challenge, apply today to join the Tankman team. This is an opportunity to be mentored by a great team who are totally committed to being the best in what they do. We pay above average hourly rates but we only want people who are well above average in their attitudes to work. This is a permanent senior full time 40 hours per week role so to apply you must currently live and work on Waiheke Island and be a NZ resident or citizen. If your interested please email martin@tankman.co.nz with your details including previous experience and why you think you would be well suited to this role. Following success in the face to face interview stage, successful applicants will be required to perform a days practical "on the job interview" prior to job offers being made so you know for sure it's the job you want and we know for sure you're the person we want! Apply Here