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Selecting the Right Bottle Top Dispenser

Bottle top dispensers are versatile and widely used pieces of lab equipment that possess all kinds of benefits to their user. In this blog, we’re going to look at some of the main bottle top dispensers' uses, as well as some of the benefits they can bring to your lab work to give you the knowledge to purchase with confidence. 

What is a Bottle Top Dispenser?

Designed to be attached to the top of a bottle for dispensing chemical reagents (acids/bases, alkaline solutions, sterilized liquids, oils, etc.), bottle top dispensers are critical in their uses throughout academia (research and education), the food and beverage industry (distilleries, wineries), environmental labs, in pollution testing and much more.

Bottle Top Dispenser Uses:

  • Prevent solutions (including Alkaline) from contacting air
  • Dispense sterile liquids safely
  • Accurately fill small tubes and glass vessels
  • Safely dispense highly aggressive chemicals such as fuming acids and corrosive materials


Benefits of Using a Bottle Top Dispenser


Bottle Top Dispensers can achieve an impressive accuracy rate of about 0.5% - 0.6%, as well as accurately fill smaller containers (as small as 1mL) such as test tubes and beakers

Safe and Easy to Use

Extremely easy to use, bottle top dispensers provide a closed environment for reagents to help lower the risk of any accidental splashing. These contained fumes are controlled and prevent chemical exposure to lab technicians.


One huge advantage of a bottle top dispenser is the ability to speed up the pace of work and productivity. Users can prepare multiple samples in a short amount of time, rather than having to manually prepare and pour samples individually into the receiving container. This results in a faster, error-free process.

Waste Reduction

The ergonomic design of bottle top dispensers allows them to reduce waste and accidental chemical spills. Additionally, bottle top dispensers can be configured with a variety of adapters to fit almost any kind of lab container. As a result, the need for plastic consumables like tips is reduced (or eliminated) and benefits the environment.

How Do You Sterilize a Bottle Top Dispenser?

Because of the harsh nature of some chemicals and reagents used in many bottle top dispensers, it's imperative to make sure that they are thoroughly cleaned and sanitized before re-use, to prevent chemical residue. The below demonstrated the proper steps to clean and sterilize your bottle top dispenser.

Choosing the right model

For a robust and highly reliable bottle top dispenser, check out Microlit's Beatus Bottle Top Dispensers with Re-Circulation Valve. This model offers variable capacities from 0.25mL to 100mL capacities.

Microlit Dispensers Unique Features:

  • Springless Valve Technology: Most dispensers on the market operate with two valves that contain glass balls and a horizontal outlet valve requiring a spring to work. Spring-based dispensers can easily become contaminated, causing the device to jam. Microlit Bottle Top Dispensers offer vertical inlet and outlet valves that render the spring obsolete, creating a longer-lasting, more practical solution for labs.
  • Anti-Corrosion Volume Knobs: Polyetheretherketone (PEEK) is a very stable chemical structure that is highly compatible with chemicals and resists wear and tear. Microlit Bottle Top Dispensers feature Volume Adjustment Knobs made from PEEK for long-term durability.
  • Superior Valve Ball and Seat: Due to the high chemical compatibility and non-reactivity, ceramic makes an excellent choice for the valve ball and seat of Microlit Bottle Top Dispensers. Ceramic is also much denser than the commonly used glass found in other dispensers. This higher density improves overall valve system performance when it opens and closes.

Sonic Supply offers a wide range of bottle top dispensers from industry-leading manufacturers. View Sonic's entire collection here.


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