fishcare.com.au
Koi Ponds · Lakes · Water Features
Sydney is forecast for one of its hottest summers on record. Whether you look after a backyard koi pond or a public lake, the chemistry is the same — and so is the failure chain: heat drives algae, algae crashes oxygen, oxygen kills fish and closes waterways. Spend a day with five specialists and leave with a plan you can act on before it happens.
Reserve Your PlaceHeld at a private koi farm in Sydney’s south-west. The exact address is sent with your booking confirmation.
A strong El Niño is approaching and record temperatures are already here. This summer will bring real pond challenges – but the right proactive measures now can save you stress, fish losses and expensive fixes later.
The physics don’t care whether your water body is 2,000 litres or 2 megalitres: as temperature rises, dissolved oxygen falls, algae accelerates and the nitrogen cycle strains. What changes is the consequence – a dead koi, a resident complaint, a closed lake, or a failed irrigation supply.
Personal access: Michael and the presenters stay on after the formal programme for one-on-one conversations about your own water. It is the kind of access normally reserved for a private site visit.
Same water chemistry, very different consequences
Overnight fish loss in a heatwave — warm water holds less oxygen.
Legionella risk and WHS duty of care — plus the top source of resident complaints.
Blue-green algae means a public health advisory, a closure and a media story.
Irrigation fails at peak demand; a visible bloom raises duty-of-care questions.
Losses counted in stock, not complaints — and weeks to recover.
Design it in at the start — circulation, depth, shading — or retrofit in February.
If you are responsible for water that people look at, stock, swim near or rely on — this day is for you.
Bring a sample of your water. A 500 ml jar, or photos on your phone — we test and talk through real water on the day.



Five specialists, one practical game plan for extreme heat
Michael has spent 45 years designing, troubleshooting and rectifying ponds and water features across greater Sydney — a problem-solver who keeps going until he finds the answer.
Here he is joined by four specialists — a biotech founder, a retail expert, a koi breeder and an environmental scientist — for one practical game plan for extreme heat.
He stays on afterwards for as long as needed to talk through your own water.
PhD (University of Sydney), and founder of a biotechnology company working on beneficial bacteria for water and soil. Matthew supplies aquaculture farms, pond professionals and wastewater projects across Australia, and will share how the nitrogen cycle drives stable water and healthier koi.
Owner of Sydney’s largest aquarium store, and brother of award-winning importer Chris Talbot. Paul brings the retail and equipment view — Dainichi food, Aquael pumps, Seachem treatments — and what is genuinely worth the money.
Degrees in environmental engineering, science and management — China, Australia, the United States — and more than ten years restoring rivers, wetlands and catchments in the field. She reads a backyard pond and a council lake with the same framework: what to measure, what the numbers mean, and when a bloom is cosmetic versus a public-health event.
An experienced koi keeper and breeder, and your host on the day. Ralf will be available throughout the event to answer koi-specific questions – from selection and handling to breeding and health.
Everything you need to know
Sunday 18 October 2026
10:00 AM – 3:30 PM
South-West Sydney
Private venue — full address sent with your confirmation
Strictly limited by on-site parking.
Reservations taken in order.
Five specialists, one practical day — morning is the science, afternoon is what to do with it
Collect your welcome pack, hand in your water sample and meet the presenters.
Michael Regnis — 45 years of troubleshooting: the failure chain from heat to algae to oxygen crash, and why multi-pronged beats single-product fixes.
Ginny Lin — dissolved oxygen, temperature, pH, ammonia and nitrate: what to measure, what the readings mean, and when a bloom is cosmetic versus a public-health event.
Dr Matthew Pang — working with biology instead of against it: where bacteria help, where they don’t, and realistic expectations.
Included with your reservation; dietary requirements on request.
Paul Talbot — pumps, filtration and treatments from the retail side, including what not to buy.
Ralf Bohner — selection, handling and keeping stock healthy through summer.
Bring your sample or photos — we test and problem-solve real water on the floor.
Michael and the presenters stay on until 3:30 PM to talk through your own site, one-on-one.
A single reservation covers one to four guests from the same household, team or site
$49 per person
$44.50 per person
$43 per person
$39.75 per person
Group rates apply when guests are booked in one reservation and arrive together. Numbers are limited by on-site parking, so places are confirmed in order of booking.
Attending in a professional capacity? Add the Professional option for a tax invoice with ABN and PO number for reimbursement or your training budget, plus a Certificate of Attendance (5.5 hours) for your training record or self-logged CPD.
This event is not accredited CPD. Attendees are responsible for recording CPD with their own professional body.
Numbers are limited by on-site parking — book early to avoid missing out
Bookings are handled by TryBooking — select one to four guests, add the Professional option if you need an invoice and attendance certificate, then pay by card or PayPal. Your confirmation email includes the venue address. Places are limited by on-site parking and confirmed in order of booking.
Book on TryBooking →Opens TryBooking in a new tab. Prefer to embed checkout directly on this page? Paste the TryBooking Embedded booking widget code into #trybooking-embed below.
Questions or group bookings? info@fishcare.com.au