5,000 L1
5,000L PVC Water Bladder Tank
A small farm or drip buffer. Filled size 2.5 x 2 x 1 m, about 22 kg empty. 1,321 US gal.
1,321 US GAL
GUIDE
How to Choose the Right Water Bladder Tank Size
A flexible water bladder tank is sized by litres first and by filled footprint second. The wrong size is usually not too small — it is a tank that does not fit the flat ground you have, or a tank your pump and pipework cannot fill and empty in the time you need.
SIZE TABLE
Four stock sizes, one custom range
This guide uses our four stock sizes, 5,000–50,000L, all non-potable PVC, and shows what each one is best for.
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10,000 L2
10,000L PVC Water Bladder Tank
Construction site water and medium irrigation. Filled size 5 x 2 x 1 m, 37.4 kg empty. 2,642 US gal.
2,642 US GAL
20,000 L3
20,000L PVC Water Bladder Tank
An irrigation buffer or camp reserve. Filled size 5 x 4 x 1 m, 63.8 kg empty. 5,283 US gal.
5,283 US GAL
50,000 L4
50,000L PVC Water Bladder Tank
An emergency or disaster reserve, or a large site store. Filled size 10 x 5 x 1 m, 147 kg empty. 13,209 US gal.
13,209 US GAL
Custom5
Custom sizes, 1,000–500,000 L
A size between stock sizes, or larger than 50,000 L. Custom sizes from 1,000 to 500,000 L on request.
CUSTOM
STEP 1 — SIZING
Start with daily litres, then days of autonomy
Work out how many litres you use each day, then multiply by the number of days you need the tank to last without a refill. If you land between two stock sizes, take the larger one — and never overfill beyond the tank's rated capacity.
Daily litres
How much water you use each day.
Days of autonomy
How long the tank must last without a refill.
Between sizes
Take the larger size.
STEP 2 — GROUND
Check the ground before you choose the size
The tank needs a flat area at least as large as its filled footprint, plus working space around it. Common practice is a sand bed or ground sheet under the tank, with no concrete base — confirm the ground preparation for your site when you order.
Flat ground
At least the filled footprint, plus working space.
Sand bed or ground sheet
Common practice under the tank.
No concrete base
Confirm for your site when ordering.
STEP 3 — FITTINGS AND ORDERING
Fittings matched to the job
Every tank ships with the standard accessories — inlet/outlet/flange, valve, vent valve, repair kit and anchor. Sizes and materials are confirmed per order, so tell us the fittings your site needs when you enquire.
Standard accessories
Inlet/outlet/flange, valve, vent valve, repair kit, anchor.
Sizes and materials
Confirmed per order.
Ordering
Minimum order 100 sets, 1 sample set first. Lead time 20 days standard, 30 days custom.
SIZING QUESTIONS
Sizing questions
Quick answers about choosing the right water bladder size.
Still need help? Send us an enquiry and we will point you in the right direction.
Enquiry
Request a Quote
Tell us the medium, capacity, quantity and destination, and we will reply with a written quotation.
Minimum order
100 sets, with 1 sample set first.
Lead time
20 days for standard sizes, 30 days for custom sizes.
Fittings and packing
Valve size and material to be confirmed per order.