Custom water tanks

Custom water tanks

Why Custom Water Tanks Are the Smarter Choice

Every water storage or treatment challenge is unique—so why settle for a one-size-fits-all solution? At FTS Tanks, we design and manufacture custom water tanks that are built to match your specific site, process, and performance requirements.

Whether you need a tank for raw water holding, sediment separation, chemical treatment, or potable water storage, our modular steel panel tanks offer unmatched flexibility, durability, and cost-effectiveness.


Custom water tanks
Custom water tanks
Large water storage tanks
Custom water tanks

Some of our Proud Clients

Built to Solve Complex Water Challenges

Our custom water tanks are designed to handle even the most demanding applications. We serve a wide range of sectors, including:

  • Mining and process water holding

  • Municipal water treatment facilities

  • Agriculture – irrigation and greywater reuse

  • Industrial operations requiring sedimentation, clarification, or flocculation

  • Emergency and mobile treatment sites

Flocculation Tanks

New Innovation: Clarifier Tanks with Funnel Floors

We’ve recently enhanced our tank systems to serve as clarifier tanks, using engineered funnel-based panel floors. This innovation allows for gravity settling of solids in water—perfect for clarification and sediment removal—all within our modular steel tank design.

No fixed tanks. Just smart, scalable design that saves you time and cost.

🔩 Modular Design
Each tank is built using standardized steel panels that can be assembled to your exact capacity and footprint needs. Easy to transport and install.

🛠 Custom Engineering
We tailor every tank’s design—floor slopes, inlet/outlet positions, bracing, and roof structure—to your specifications.

🧪 Process-Ready Options
Ideal for use as sedimentation tanks, clarification tanks, or flocculation tanks in water treatment applications.

🌍 Durable Materials
Made with corrosion-resistant galvanized or Aluzinc steel and high-performance rubber seals for a long service life.

📏 Scalable Capacity
From small-site tanks to mega-volume process tanks, our solutions are future-proof and easy to upgrade.

Custom water tanks
Custom water tanks
Large water storage tanks
Custom water tanks

Why Choose FTS Tanks for your custom water tank needs?

With decades of experience in steel tank fabrication and water treatment system design, FTS Tanks is your partner in performance. We don’t just sell tanks—we engineer smart, purpose-built solutions for your operation.

🔹 In-house design and project management
🔹 Quick lead times and Global delivery
🔹 Full installation and support services
🔹 Proudly serving South Africa and beyond

Corrugated reservoir

Corrugated Tanks

Corrugated tanks is a great standby facility for your house, office or factory for when the suppliers of water let us down or simply to save money.

Cost of reservoirs

PI tanks

Our circular steel tanks, also known as Pi Tanks, are made from high-quality Aluzinc steel and are designed for durability and ease of installation.

water tanks for agriculture

Bladder Tanks

Bladder tanks can be made in a full military specification and have been manufactured with the highest safety standards using the latest technology.

Aluzinc round steel tank

Aluzinc Round Steel tanks

Our Aluzinc round steel water Tank range successfully tried and trusted by mines, municipalities, industrial, fire protection and rural development

Mass Water storage

Elevated Sectional steel tank

These modular tanks are perfect for both ground-level and elevated water storage applications. Our pressed steel tanks are corrosion-resistant, customizable in size, and built to handle harsh environmental conditions.

Pressed steel Galvanised tanks

Pressed Steel Tanks

Flexitank pressed steel tanks are suitable for the storage of medium to high volumes of liquids.  Pressed Steel tanks can be tailor made to suite various industrial and residential applications.

mFullbladder2rt 1

Flexi Tank ISO LDPE

High-temperature-resistant Flexitank is a Container liquid transportation tank with new heat-resistant material technology.

Heli flexi

Heli Flexi

Heli-Flexies also known as a helicopter water bucket are in use worldwide for disaster relief, homeland security, emergency response, power-line utilities (electricity/power), remote work camps and mining facilities

transportable bladder

Transportable Bladder Tanks

The transportable bladder flexitank breaks the traditional transportation mode, and is applicable to agricultural vehicle, picking-up vehicle, box type vehicle, and flatbed trailers

Get a quote

Simply fill in the form below with the product/s that you need and one of our trusted consultants will reach out to assist.