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Long Water Troughs
Set a long trough across the fence line, half in one paddock and half in the next, and both mobs drink from the same trough. One trough, one water connection, two paddocks. The central fill point spreads fresh water down the full length, so stock aren’t crowding one end while the other sits stale.
Polymaster Supa Troughs are rectangular long stock troughs in 250L, 450L and 600L. One-piece poly construction, so there’s nothing to rust, nothing to seize and nothing that needs a tractor to shift.
POLYMASTER LONG TROUGH SOLUTIONS
Browse the Long Water Trough range
Three lengths, all 600mm wide and 375mm high, all rated to the same working pressure.
| Code | Product | Capacity | Length (mm) | Width (mm) | Height (mm) | Drain Cap | Float Cover | ||
|---|---|---|---|---|---|---|---|---|---|
| SPT5 | 250L Long Trough | 250L | 1500 | 600 | 375 | DC3 | SPTA | ||
| SPT9 | 450L Long Trough | 450L | 2700 | 600 | 375 | DC3 | SPTA | ||
| SPT9 | 600L Long Trough | 600L | 3700 | 600 | 375 | DC3 | SPTAL |
250L Long Trough
SPT5
450L Long Trough
SPT9
600L Long Trough
SPT9
All troughs take the AFV2 float and come with a 25mm float valve and cover, plus a 75mm drain cap at each end.
Not sure which length suits your mob? Give us a call on 1800 062 064
Why Graziers Choose a Long Water Trough
Water two paddocks at once
Position the trough across the fence rather than beside it, with half the length sitting in each paddock. Stock in both paddocks drink from their own side of the same trough. That’s the main reason a rectangular trough beats a round one on a subdivided property.
The whole mob drinks together
Length is what stops the crowding. At twelve feet, the 600L gives a mob room to drink at the same time rather than working through in shifts.
Fresh water down the full length
The central fill point spreads fresh water along the trough instead of pushing it in at one end. Less stagnant water sitting at the far end between fills.
Nothing to rust, light enough to move
All-poly construction with no metal parts to rust or corrode. Light enough to reposition when you change your paddock layout, which is not something you can say about a concrete trough.
Certified and Australian made
Food grade polyethylene
Certified to AS/NZS 4020, the Australian standard for products in contact with drinking water.
Quality assurance
Polymaster holds ISO 9001 certification, the international standard for quality management systems.
Product certification
Certified to AS/NZS 4766:2020 for polyethylene storage tanks.
Not sure which long trough suits your setup?
Talk to our team. We’ll help you match the right length to your mob size, your fence line and how your paddocks are laid out.
FAQs
Frequently Asked Questions
Everything you need to know about Polymaster’s long troughs range, from sizing to maintenance.
What size Supa Trough do I need?
It comes down to mob size and fence line length. The 250L (SPT5) is 1500mm long and suits smaller mobs, holding yards and hobby blocks. The 450L (SPT9) at 2700mm is the general purpose choice for most paddock watering. The 600L (SPT12) at 3700mm is for watering large numbers, where you want the mob drinking at once rather than queueing. All three are 600mm wide and 375mm high.
Can one trough water two paddocks?
Yes, and it’s the main reason to choose this shape. The trough sits across the fence line rather than running beside it, so half the length is in one paddock and half is in the next. Stock on either side drink from their own end of the same trough. You get one trough, one water connection and two paddocks watered, which saves on plumbing as well as on troughs. The fence runs over the middle of the trough, so it’s worth planning the position before you set the water line.
What’s the difference between a Supa Trough and a Sweep Trough?
Different jobs. A Supa Trough is moulded in one piece with an integrated float cover and a 75mm drain cap at each end, built for watering large numbers along a fence line. A Sweep Trough has a curved sweep-out end and a ballast base, built for dusty country where you’re cleaning sludge out regularly without draining the trough.
How do I clean a Supa Trough?
There’s a 75mm drain cap at each end, so you can empty it from whichever end suits without tipping or lifting. If you’re in dusty country and cleaning often, the sweep trough range is designed specifically for that job.
What water pressure can a Supa Trough handle?
All three sizes are rated to 140psi, or 965 kPa. That covers mains pressure and most pumped systems without needing a pressure reducer.
Is the float valve protected?
Yes. The float cover is moulded into the trough as part of the one-piece design rather than bolted on, so there’s nothing for stock to work loose. The cover sits raised, which lets the trough fill right to the brim instead of the float cutting off early. Contact Polymaster when ordering to specify optional extras. Alternatively, the bunded cube (DMPQB400E) includes built-in secondary containment as standard.
Can I move a Supa Trough between paddocks?
Yes. Poly troughs are light enough to reposition when your paddock layout changes or you need water somewhere else for a season. A concrete trough of the same length is a machinery job.
Will a poly trough rust or corrode?
No. There are no metal parts in the trough itself, so nothing rusts, seizes or stains the water. The polyethylene is UV resistant for long-term outdoor use and food grade, certified to AS/NZS 4020, the Australian standard for products in contact with drinking water.


































