Contact and FAQ


    Every user has different questions about the same scuba diving gear and equipment . We have combined surveys of thousands of customers and listed some of the most common problems, one by one giving a professional response. You are welcome to make good suggestions.

1、Diving Tanks

How to inflate the bottle?

    Three kinds of charging ways
    1. Special high pressure (≥3000 psi) manual inflate pump. Please note if you need to inflate the tank to fully state, you have to press the pump app. 600 times.
    2. Choose our scuba adapter, then inflated by a large oxygen cylinder.
    3. Special high pressure (≥3000 psi) electric inflatable pump.

How long are these devices can be used?

    The use time is determined by the breathing pattern of the individual and the model of the cylinder.

For example:
1、S300 Series:About 6-10 minutes;
2、S300Plus Series:About 8-12 minutes;
3、S400 / S400Plus Series:About 12-16 minutes;
4、S500 Series:About 10-14 minutes.

What is the ultimate depth of the equipment?

    This product is suitable for recreational diving gas source within 10 meters. Do not try to use it as a gas source in deeper waters.

What are the conditions for using SMACO diving tank?

    Before using this product, It is strongly recommended that you be trained or certified by a recognized certification body in scuba diving technology. 

What to pay attention to when using this product?

    Inflate the product before use and check the product for damage or leakage. Never use products that are damaged, leaking, or showing signs of performance failure.The maximum canning pressure of this product is 3000PSI, and it can't be used for gases containing more than 40% oxygen. Please use clean and dry compressed air.

Can I disassemble myself?

    SMACO diving tank is a high-precision product. Please do not disassemble this product at will. Unauthorized disassembly and assembly of this product may damage the product.

How long does it take to refill a bottle?

With the manual pump:
500L = about 15mins
700L = about 20 mins
1000L = around 30 mins (not recommended)
You must reload the bottle by session of 5 minutes and let the pump cool down for one or two minutes due to the heat caused by the very high pressure.
With the caliper: between 2 and 3 minutes depending on the capacity of your bottle
With the 12v mini compressor:
500L: 12 mins
700L: 15mins
1000L: about 20 mins
Make sure to fill it in several times, stopping every 100 bars. For an 700L cylinder, it must be recharged in 2 times and it takes 3 breaks for an 1000L cylinder.

Can I recharge the bottle with an air compressor that I have at home?

No, this is not possible for 2 reasons, the first is that standard compressors have operating pressures of 15 to 20 bar maximum, our compressor is capable of reaching pressures above 200 bar. The second reason is a matter of air quality, standard compressors do not have a filter to make the air breathable.

What are the imperative safety instructions to follow?

- Never block your breathing whether it is going up or going down
- Never descend if you feel a sensation of discomfort in the ears, nose or eyes
- Never rise quickly (never faster than small air bubbles)
- Check your pressure gauge very regularly
- Never use the SMACO bottle on the surface when the needle of its pressure gauge is in the red zone.
It is also very important to explain these basic rules to anyone using the SMACO product.

Can we recharge the bottle with a bike pump?

No, a bike pump is capable of only reaching pressure from 15 to 20 bar maximum. Our special manual pump is capable of reaching more than 200 bar of pressure. Its special (patented) design allows it to be robust and recharge the bottle without any physical difficulty.
You will also be able to make several refiles for sharpen by respecting the cooling time every 3 minutes.

Can we travel by plane with a bottle?

It is not forbidden to travel with the bottle by plane as long as it is empty, the head of the open bottle and declared as such during boarding.
If so, the company may request that the head be disconnected from the bottle, this procedure is very simple and very fast, simply unscrew the upper part of the bottle.

Should the products undergo particular maintenance?

The periodicity of control of the SMACO bottles depends on its use, annually if the product is used frequently. The maintenance must be done in an authorized center (get closer to a dive center) to check the internal state of the bottle and the proper functioning of the complete system.
It is also mandatory to clean the entire equipment with fresh water after each use.


2、Full Face Snorkel Mask

How to choose the sizes?

    Firstly, Measure the length from the Eye to Chin.
    If the length less than 13.5cm, Choose size S/M (Suitable for Junior and Adult Woman).
    If the length equal with or over 13.5cm, Choose size L/XL (Suitable for Adult Men) .

Can diving masks use a camera?

    Equipped with camera mount, easily attached to GoPro camera.

what are the features of diving masks?

    Drain valve and dry top design for draining away the water by raising up your head -when water leaking
    Distribution earplugs 1 pair, easier to use
    Detachable breathing tube design with a storing bag, easy to carry and storage
    High definition, anti-fog, breakage-proof and 180-degree wide view mask
    Adjustable elastic fabric headband design, suitable for all kinds of head shape
    Suitable for both adults and kids, more practical and useful
    Material: liquid silicone and PC
    Ideal for diving, swimming, snorkeling and other underwater activities.


If you have any questions, you can also contact us through the following form, and our team will answer you immediately!