Mar. 24, 2025
If you are worried about choosing the right storage tanks, whether it's stainless steel, plastic, or fiberglass water tanks, we're ready to share the details. There is always confusion about which tank is ideal for water storage in commercial or residential sectors. It totally depends on what you are going to use a water tank for.
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The purpose of your water storage ' whether it's commercial or residential, will actually weigh in selecting a suitable material for tanks. In the case of portable drinking water, you need to stay extremely alert while choosing as certain other materials aren't usable.
So, let's find the different types of water storage tank's specifications to pick the right material accordingly '
Stainless Steel Water Tanks
This kind of water storage tank has been introduced for good reasons, since a decade. It's highly durable and corrosion-resistant to offer immense strength and is available in multiple size options. A stainless-steel water tank is comparatively simple and comes with easy repairing options, although it has limited color options for buyers.
Fiberglass Water Tanks
This tank's grade is commonly used to store clean water for drinking. While fiberglass tanks are rigid and stiff, although come with corrosion resistance properties and allow a longer lifetime. This lightweight water storage container is ideal to manage water pressure efficiently and is relatively cheap in comparison to stainless-steel tanks. The best fiberglass water tanks aren't as sturdy as stainless-steel water tanks and their thin outer layer can promote the growth of algae, which isn't safe for drinking.
Plastic Water Tanks
This low-budget tank is quite a popular water storage option in the current marketplace. Used for domestic purposes, a plastic water storage container is commonly used as a commercial tank. Its lightweight, versatile, and multiple advantages are associated with a plastic water tank. This kind of tank has a wide range of color options, unlike stainless-steel water tanks. And also, it's comparatively priced affordable due to its wide availability in the market.
If you want to choose otherwise, a plastic water tank isn't easy to transport and it's not even eco-friendly to keep drinking water for longer. This low-budget tank tremendously heats the water and makes it not suitable for drinking. Unlike fiberglass water tanks, plastic tanks aren't scientifically proven to store drinking water.
The Final Choice
The best tank material to store portable drinking water has to be fiberglass because there's a big difference in quality. A standard fiberglass tank is extremely safe to store drinking water for longer compared to any plastic water tank. In case you want to select a premium range stainless-steel water tank, you need to consult a reliable manufacturer to get customization at affordable budgets. A high-quality water storage container is generally made with perfection, which is expected to last for a longer lifespan.
Before making a choice, it's wise to perform a comprehensive research and pick a quality water storage tank to suit all your needs. That's significant to stay confirmed about your choice of the water storage container and selecting versatile materials is a smart choice always. You also need to check its maintenance and get yourself ready to carry it out over a greater span. From installation to maintenance and the purpose of storage, you need to check all the factors before buying the best fiberglass water tanks.
Need to buy the full range of premium industrial storage tanks at affordable prices? Then, GSC Tanks is recognized as a popular manufacturer of water storage tanks to address the widespread need of today's buyers. Regardless of the type of tank or container you've selected, we are committed to offer all of our customers with professional technical support each time. To know more about our world-class tank manufacturing units, give us a call at 470-589- today for a discussion!
1. Plastic water tank
2. Fibreglass FRP water tank
3. Concrete water tank
4. Steel water tank
Are all these water tanks created equal? We'll leave it up to you to decide in this comparison below.
Plastic water tank
Advantages:
- Come in many different sizes, shapes, colours, combinations and with multiple connection possibilities. They can go either above or below ground.
- Lightweight making them easier to transport, position or move according to necessity. No heavy equipment necessary.
- Lightweight doesn't mean weak. Quality poly water tanks are built to withstand harsh climate conditions and resist UV damage.
- Adaptable and easy to relocate.
- Built as a one-piece construction, meaning there are no seams to cause weak points.
- 100% resistant to rust and corrosion.
- Resists algae growth.
- Are the 2nd cheapest after metal. But poly is more cost-effective as it outlasts metal.
- Faster, easier, and cheaper installation. In fact, out of all water tank materials, poly is the easiest to install.
Non-porous.
Plastic Poly water tanks don't leach any chemicals or lime that may impart a taste in the water or damage the material through pores on the walls of the tank.
Built using non-toxic, high quality, food grade polyethylene. Also built in compliance to AS/NZS that involves testing of products for use in contact with drinking water.
Less prone to cracking compared to fibreglass or concrete.
Disadvantages:
At the end of their life-cycle (known to be more than 30 years), proper recycling is necessary.
However, plastic water tanks can have a new life as something else, not necessarily water storage.
High fire risk ' It is important to note that most tanks including poly tanks risk failure in a fire, just as any building, pump or pipework would, unless they are in a fire break zone. If your tank out survives your building, what good was the tank?
Fibreglass Water Tanks
Advantages:
- Light weight, 1/10 weight of concrete & Steel
- High Strength
- Corrosion Free
- Easy for handling, installation and transporting
- Low maintenance cost
- Long life material
- Cost savings
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- Easily moulded for custom projects
Disadvantages:
Allows more light penetration which increases the likelihood of algae growth.
Requires an external UV-resistant gelcoat. If this coating is damaged, it can reduce the life of the tank.
Fibreglass is a very rigid material. This has both an advantage and a disadvantage. Whereas fibreglass can manage water pressure well, overtime its rigid and inflexible nature may give way to brittleness, leading to leaks and cracks.
This is in stark contrast to flexible poly tanks which can adapt/expand to water volume and bounce back to shape ' literally ' with impact.
Fibreglass water tanks are hand-crafted, requiring pieces to be connected, forming seams (unlike poly water tanks which are built as a one-piece vessel, eliminating seams).
The seams in fibreglass tanks can get damaged or separated over time, weakening the overall structure of the tank and predisposing it to leaks.
Because fibreglass water tanks are hand-crafted, there is always the possibility for human error during production. In other words, the process is highly dependent on individual skill, which may result in some inconsistencies across tanks.
Cost: They are more expensive than poly tanks.
Concrete water tank
Advantages:
Concrete tanks can be built above or below ground, available in different sizes and capacities, pre-cast and transported to the site or built on-site.
Long-lasting.
Have maximum strength due to reinforced steel in the concrete.
Concrete itself doesn't rust. Unfortunately, the reinforcing mesh does. More on this below.
Excellent insulating properties keeping water or liquids cooler.
Disadvantages:
Concrete water tank construction is energy-intensive making them more expensive to build and requiring more people and heavy equipment during installation.
Concrete water tanks are heavy and thus, difficult to move around. If you're planning to incorporate some changes on your property, your plan must be reworked in consideration of the concrete tank.
Concrete water tanks are extremely porous.
Newly constructed concrete tanks may impart taste in the water or leach lime. Lime increases the pH in water. When pH reaches alkaline level, water in the tank may be prone to developing toxic algae.
Concrete can develop pores, which is a great place for bacteria to thrive in. You can have a concrete tank sealed to reduce this possibility, but that's an additional expense!
Concrete tanks can easily develop cracks and leaks.
You may think cracks in concrete are fairly easy to repair with applications of waterproof paint, membrane or resin. However, these applications do not prevent future cracking at all.
Furthermore, hairline cracks on the surface of a concrete tank might not seem like much, but these cracks actually extend through the entire breadth of the tank.
With cracks, water in the tank can find their way through deeper layers of the concrete, causing further damage. Overtime, the reinforcing mesh can rust and be eventually exposed and rot.
Repairing cracks involve emptying a concrete tank and the application of a plastic liner in worst case scenarios. Note that plastic liners are quite expensive.
So, before opting for a concrete water tank, consider all the expenses: installation, protection, repair, and even removal when it's past its lifetime or relocation when you need to incorporate changes on your property.
Steel Water Tanks
Advantages:
There are many sizes and capacities available and they can withstand harsh conditions including fire.
Material is UV resistant.
Disadvantages:
Galvanised steel is coated with zinc for protection against corrosion. They're also sold with food-grade polyethylene liners to prevent the zinc from mixing with the liquid contents, consequently giving water a metallic taste. Overtime, the liner could break and need repair. You need to be more cautious when cleaning this type of tank so as not to damage the lining.
In contrast, stainless steel water tanks are protected from corrosion but are much more expensive than galvanised steel.
An important note to make for both galvanised and stainless steel is that their screws, rivets and soldered joints may not be rust-resistant.
Corrugated steel tanks cannot be placed underground.
Moving the tanks once they are in place is difficult.
Ground work before installation can be costly and involves extensive preparation when compared to other tank types.
Less impact resistant, unlike poly, which can bounce back to shape with impact.
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