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ClearKill vs. Bellicide

Eliminating microbial contamination in fuel and fuel systems requires, above all else, a biocide treatment. Biocides are highly regulated for a reason - they are the only fuel-borne chemicals formulated to kill living organisms as part of their essential functions.

In today’s marketplace, the options for this are somewhat limited. These options are divided by chemistry. All biocide chemistries must be supported by test data that shows both their effectiveness and, more importantly, their safety and hazard information.

That’s not to say all biocides work equally well. Nor is it meant to imply that there aren’t significant differences between the chemistries. Some biocide chemistries are better at killing certain kinds of microbes than others. Some biocide chemistries kill a broad spectrum of common microbes but only do it at higher concentrations. Some biocide chemistries maintain complete kills at lower treats for longer periods of time.

The Bell Performance Biocides: Bellicide and ClearKill

Bell Performance offers two outstanding biocide chemistries to meet the needs of the fuel storage and distribution industry.

Bellicide - thiocyanate chemistry

ClearKill - MBO (methylene bisoxaladine) chemistry

What They Do Well

Both ClearKill and Bellicide are excellent choices to remediate microbial contamination situations because they both offer excellent performance in the areas most critical to a biocide’s performance in its primary function.

Broad Spectrum - both Bellicide and ClearKill have been proven highly effective at killing completely the most possible types of microbes commonly found in fuel and fuel systems. Not all biocides meet this standard.

Speed & Length of Kill - both ClearKill and Bellicide are shown in kill studies to outperform other common biocide chemistries in both speed of kill (hours vs days in some cases) and length of kill (maintaining complete kill of multiple kinds of microbes).

Works Well In Both Fuel and Water -  for a biocide to be effective, it must kill microbes well in both fuel and water. The best biocide chemistries move well from the fuel phase to the water phase. Both Bellicide and ClearKill are excellent at partitioning between both essential phases, eliminating microbial contamination in both fuel and water.

Low Treat Rate - Both ClearKill and Bellicide have stock shock treat rates of 200 ppm by volume. That’s equivalent to 1:5000. This compares favorably to many other biocide chemistries, some of which require significantly higher concentrations to achieve similar results.

ClearKill vs. Bellicide - Which One Is Right For You?

As both ClearKill and Bellicide are highly effective biocides that kill the broad spectrum of microbes that cause problems in fuel and fuel systems, both formulations are excellent choices for clearing up microbial contamination in infected fuel and systems.

So which one should you choose?

While both of them are highly effective, there are some differences between them. These may help you decide which one is right for you and your situation.

Sulfur Content - BEST CHOICE = CLEARKILL

ClearKill is one of the few biocides on the market that does not contribute any sulfur whatsoever to the fuel it is treating. 

Bellicide's s thiocyanate formula does contain some sulfur. For every 100 ppm of Bellicide used, about 2.4 ppm sulfur may be added to the fuel.

If you have concerns about biocide treatment contributing to excess sulfur levels in low turn or ultra-low sulfur diesel fuel, ClearKill will eliminate that worry.

Corrosion Protection - BEST CHOICE = CLEARKILL

One unique aspect of ClearKill's MBO chemistry is that it also functions as filming amine corrosion protection - the same type of protection recommended by the EPA to protect tanks against microbially induced corrosion (MIC).

If protection against microbially induced corrosion is valuable for you, ClearKill is the right biocide choice.

Product Size Availability - BEST CHOICE = EITHER CLEARKILL OR BELLICIDE

Bellicide is available in 16 oz bottles (and cases). 1-gallon jugs (and cases), and 51-gallon drums.

ClearKill is available in 16 oz. bottles (and cases) and 32 oz. bottles, as well as 51-gallon drums. It is not available in single 1-gallon jugs but instead is available in cases of 4 x 32 oz. bottles (which equals 1 gallon). 

If you need a 1-gallon bottle size of biocide, you can choose Bellicide.

If having a 1-gallon product size is not essential to your needs, both ClearKill and Bellicide are excellent choices. 

Will You Be Using It Outside Of The Southeast? - BEST CHOICE = IT DEPENDS

One other substantial difference between ClearKill and Bellicide has nothing to do with effectiveness and everything to do with legal registrations. 

Regulations dictate that you can only use a biocide if it is registered by the State’s Department of the Environment that you are going to use it in.

ClearKill is registered and approved for use in Florida, Georgia, Alabama, South Carolina, and Texas.

Bellicide is registered and approved for use in 42 out of the 50 states. The states it is not registered in are Connecticut, Delaware, Maine, New Mexico, Nevada, Rhode Island, Vermont, and Wisconsin.

 

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