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FREQUENTLY ASKED QUESTIONS

What is the use of Silver Hydrogen Peroxide?  

Hydrogen Peroxide component ensures a rapid germ killing effect and the silver component ensures that the effect is long-lasting. Silver is well known for its Oligodynamic action (cold sterilization). Silver Hydrogen Peroxide is used in disinfection ex-water disinfection, surface sanitation, soil disinfection, fumigation, etc.

GRAMICID is the registered trademark for our disinfectant. It is composed of Hydrogen Peroxide and Silver complex. For more info click here

Is Silver Hydrogen Peroxide safe?  

Silver Hydrogen Peroxide has earned its name as an eco-friendly disinfectant that can be used universally. The silver functions both as a stabilizer and activator, keeping the peroxide ions stable. The resultant silver hydrogen peroxide is both safe and nontoxic for people and surroundings.

Does Hydrogen Peroxide react with Silver ?

Hydrogen peroxide and silver really do react that way. Hydrogen peroxide’s chemical formula is H2O2. When it comes into contact with silver, the silver acts as a catalyst. The reaction will free the extra oxygen atom to produce water, and also generates a lot of heat.

Is silver hydrogen peroxide corrosive ?

Silver hydrogen peroxide disinfectant (air and surface). Silver stabilized hydrogen peroxide, when compared to other conventional disinfectants work on a dual phase, where the hydrogen peroxide is corrosive on the cell walls, and the silver acts on the DNA.

What is Silver accelerated Hydrogen Peroxide ?

GRAMICID is silver accelerated hydrogen peroxide based air and surface disinfectant. It is used as both air & surface disinfectant.

Can hydrogen peroxide be used in organic farming ?

Organic farming is characterized by lower yield stability as compared to conventional farming methods. Hydrogen peroxide (3%) when sprayed on crops can control soft tissue pests such as aphids, red spider mites and fungal diseases like powdery mildew. Gramicid-10A is recommended.

How is Hydrogen Peroxide used in agriculture ?

Hydrogen peroxide helps encourage healthy root growth because of the extra oxygen molecule. Oxygen (O2) can help plant roots absorb nutrients from the soil. Therefore, this extra bit of oxygen enables the roots to absorb more nutrients, which means faster, healthier, and more vigorous growth.

GRAMICID-10A is an eco-friendly and Non-Toxic, economical solution used mainly in agriculture industry.

What is Nano Silver Hydrogen Peroxide ?

GRAMICID is an eco-friendly, multi-component oxidising disinfectant; scientifically formulated using a stable combination of hydrogen peroxide (H2O2) and silver (Ag) ions to create a highly effective sanitising solution

What are the different silver hydrogen peroxide products manufactured by U.S.Steriles ?

1) GRAMICID : 500ppm Silver Accelerated concentrated Hydrogen Peroxide based formulation with added Stabilizers. It is suitable for industrial use for Air/ Water/ Surface/ Water Treatment Plant Disinfection.

2) GRAMICID-Secure : 100ppm Silver Accelerated with dilute Hydrogen Peroxide based formulation with added Stabilizers.  It is used for Hospital, Clinics, Laboratory, Offices for Air/ Water/ Surface disinfection.

3) GRAMICID-Protect : 50ppm Silver Accelerated low concentration of Hydrogen Peroxide based formulation with added Stabilizers. Suitable for Vehicle, AC ducts, Hospitals, Clinics, use for Air/ Water/ Surface Disinfection.

4) GRAMICID-Care : 25ppm Silver Accelerated low concentration of Hydrogen Peroxide based formulation with added Stabilizers. It is mainly used in households for Vegetable, Fruits, Floor, Furniture, Vehicle Disinfection.

What are antiscalant chemicals ?  

Antiscalants are a family of chemicals designed to inhibit the formation and precipitation of crystallized mineral salts that form scale.
Antiscalant chemicals are used to prevent the scaling & fouling of the RO membranes. Scale may consist of mineral fouling such as calcium sulfate, calcium carbonate, barium sulfate, silica, calcium fluoride, and strontium sulfate.  GRAMICID-102 Antiscalant is useful for iron & silica rich feed water, which helps to prevent iron fouling in the R.O membrane.

What is an Industrial Descaler ?

An industrial descaler is typically a chemical substance used to remove or dissolve calcium carbonate, limescale, rust and other mineral deposits from various equipment that comes into contact with water forming deposits. Our product – Gramicid-17 is a versatile descaling agent which is safer in terms of equipment corrosion, suitable for all metals and safety of personnel.

What is a descaling chemical ?

A descaling agent or chemical descaler is a liquid or powder chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles. Limescale is either white or brown in colour due to the presence of iron compounds.

What is the pH of antiscalants ?

The Ph of Antiscalant can range from being acidic around 2 to basic around 12-13.

How do you calculate the dosing of RO Antiscalant ?

The recommended dosage would be 2-5 ppm of Gramicid-101 or Gramicid-102 depending on the quality of water.

What is RO Antiscalant ? What is the use of Antiscalant ?

Antiscalant is a pretreatment water additive for reverse osmosis system that is highly effective in preventing the membranes from scaling. The delay allows the water to pass through the membrane before any chemical reaction, in which scale can form, occurs.

How do you sanitize RO Membrane with chemicals ? 

Please refer this video https://www.youtube.com/watch?v=euZYUetLsIs 

How do you clean RO membranes ? 

Alkaline RO Membrane Cleaner Gramicid-121 and with Acidic RO Membrane Cleaner Gramicid-122.

How to add minerals with distilled water to make it drinkable ? 

Distilled water contains no minerals and trace elements. One way to increase its mineral content is to mix it with FSSAI / Food Grade Calcium Chloride, Magenesium Sulphate, Potassium Bicarbonate, Sodium Bicarbonate, Sodium Carbonate.

Is Mineral Water Healthier Than Regular Bottled Water ? 

Main sources of Mineral Water are springs and natural underground reservoirs. Mineral Water can be high in several essential minerals, including calcium, magnesium, and sodium. Therefore, drinking mineral water may offer some health benefits.

What is the difference between Fumigation and Fogging ? 

The fumigation process involves spraying BKC, formaldehyde and potassium permanganate based disinfectants form while fogging uses the mixture of hydrogen peroxide and silver ion solution to control the contamination. GRAMICID-Secure which contains Hydrogen peroxide 10% and 100 ppm silver is commonly used for Fogging.

Which are specialty chemicals ? 

Some of the categories of speciality chemicals are adhesives, agrichemicals, cleaning materials, colors, cosmetic additives, construction chemicals, elastomers, flavors, food additives, fragrances, industrial gases, lubricants, paints, polymers, surfactants, and textile auxiliaries. Visit www.ussteriles.com for more.

Where are Speciality chemicals used ? 

The applications of specialty chemicals include boosting agricultural, construction, pharmaceutical products processing, chemical and intermediates processing, food processing and ingredients for household, coatings and paper trading, and transportation. These chemicals are used in many familiar item manufactures. Visit https://www.ussteriles.com/industries/

Can Nano Silver Hydrogen Peroxide be used in the Agriculture Industry ?  

Silver Hydrogen Peroxide is an eco-friendly disinfectant that can be used universally. The silver ( Ag ) functions both as a stabilizer and activator, keeping the peroxide ions stable. The resultant silver  hydrogen peroxide is both safe and nontoxic for human beings and surroundings. This synergy of hydrogen peroxide and silver provides high efficacy in killing microorganisms in all possible media applications of air, water, surface, and soil. It proves to be a powerful antibacterial, fungicide, virucide, amoebicide, algaecide that chips away at a wide range of microorganisms. This combination of hydrogen peroxide and silver is about twenty times more powerful than hydrogen peroxide alone.

We have two AGRICULTURE CHEMICALS products – GRAMICID-AGRO and GRAMICID-FLORA which are used for both pre-harvest and post-harvest preservation.

What are Nano Silver Hydrogen Peroxide uses ?  

The combination of hydrogen peroxide and silver provides high efficacy in killing microorganisms in all possible media applications of air, water, surface, and soil. It proves to be a powerful antibacterial, fungicide, virucide, amoebicide, algaecide that chips away at a wide range of microorganisms. Visit for more details our product – Silver Hydrogen Peroxide Disinfectant

Silver Hydrogen Peroxide is used in disinfection ex-water disinfection, soil disinfection etc. It is also in fumigation, sterilization, surface sanitation etc.

Our Brand – GRAMICID has a very wide range of applications and can be used wherever halogens, aldehydes, phenols, quats are being used.
GRAMICID is FDA APPROVED and GMP CERTIFIED PRODUCT.

What is Silver Hydrogen Peroxide price in India ?  

Silver Hydrogen Peroxide sale starts from Rs 340 kilogram depending on the concentration of the product – Hydrogen Peroxide Disinfectant, Nano Silver Hydrogen Peroxide.

Are there any side effects of Silver hydrogen peroxide disinfectant ?

To avoid any side effects, the product is to be used as per the instructions in MSDS.

Side effects : Redness, stinging, or irritation at the application site may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.

What are the disadvantages of chlorine dioxide as a disinfectant ?

Chlorine dioxide decomposes when it comes in contact with sunlight hence it is a very unstable substance. Disadvantage is that during chlorine dioxide production processes, large amounts of chlorine are formed. Free chlorine reacts with organic matter to form halogenated disinfection byproducts. Gramicid Eco-Friendly Disinfectant is the ideal substitute.

How does chlorine damage RO Membranes ?

In Reverse Osmosis (RO) systems, membranes are easily damaged by chlorine in the feed water. Chlorine damage to the membrane can lead to lower salt rejection and poor-quality permeate, which in turn could result in costly membrane replacement and down-time. Read Comparision of Chlorine & Gramicid Eco-Friendly ( Click Here ).

What are the advantages and disadvantages of chlorine sanitizer ?

Chlorine is used to disinfect water and to clean swimming pools. It is used regularly in swimming pools and helps clean all the germs out in the water.

Disadvantages – Chlorine can be a very dangerous poison it can cause throat swelling and water filling in the lungs. GRAMICID-SWIM – our product is effective alternative to traditional gas chlorine.

What are corrosion inhibitors ?

Aluminum Oxide, Copper Carbonate, Titanium Oxide, and Chromium Oxide, can act as protective coatings, preventing metal corrosion. Inhibitors vary by base metal (for example, zinc is a corrosion inhibitor for copper and aluminum).

What are the types of Corrosion Inhibitors ?

  • Cathodic Inhibitor
  • Anodic Inhibitor
  • Volatile Corrosion Inhibitor
  • Mixed Inhibitors

What is the most common Corrosion Inhibitor ?

The most common inhibitors of this category are the Silicates and the Phosphates. Such inhibitors will have the advantage that they control both the cathodic and anodic corrosion reactions. Gramicid-25 is one such example of Corrosion Inhibitor.

What is the use of corrosion inhibiting chemicals ?

A corrosion inhibitor is a chemical compound that, when added to a liquid or gas, decreases the corrosion rate of a material, typically a metal or an alloy, that comes into contact with the fluid. The effectiveness of a corrosion inhibitor depends on fluid composition, quantity of water, and flow regime.

Our Boiler Chemical Product – GRAMICID-22 depends on the latest technology which is advanced, Filming Amine-Based 3 in 1 Boiler Chemical that works as a Sludge Conditioner; Scale Inhibitor and Oxygen Scavenger and also maintains the alkalinity of water.

What is RO antiscalant chemical ?

Reverse Osmosis ( RO ) antiscalant like Gramicid-101 & Gramicid-102 controls inorganic scales of elements commonly in surface, ground and sea water
It is a liquid antiscalant & antifoulant for reverse osmosis systems

Our product (  Gramicid -101 ), continuous use of reduces membrane-scaling tendencies thereby giving sustained performance for a longer time and reducing unscheduled shutdowns and cleaning costs.

Which antiscalant is used in RO plant ?

Sodium Hexametaphosphate (SHMP) – an antiscalant that was popular in the early days of RO. Its use has been greatly reduced with the advent of proprietary antiscalants because of a number of limitations. Now blend of  Phosphates & Polymers are used for efficient results.The most common mineral scalants of concern are: (i) Calcium carbonate (CaCO3)

Which chemical is used in RO ?

+ Antiscalant and Antifoulant  – GRAMICID-101
+ High Silica Inhibition Antiscalant – GRAMICID-102
+ Low pH Antiscalant  – Gramicid-401
+ High pH Antiscalant – GRAMICID-402
+ Alkaline Based RO Cleaner Gramicid-121
+ Acid Based RO Cleaner  Gramicid-122
+ RO Membrane Disinfectant / Biocide – Gramicid-Eco-Friendly Disinfectant

What is anti scaling agent ? 

An anti-scaling agent is one that protects against scaling. A descaling agent is a chemical that removes scale. Anti-scaling may be an important topic but descaling is more significant. Removal of scale is a problem for millions of households and business worldwide. We recomment GRAMICID-102 for efficient results to prevent from scale formation.

What is the pH of Antiscalant ? 

The pH of Antiscalant ranges from being acidic like 2.5-6 to being basic i.e. 9.5 to 10.5

What are the types of scales ?

Some common membrane foulants and Scalants include calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, calcium fluoride, iron, colloidal material, silica and other organic contaminants.

How do you use RO Antiscalant ?

Antiscalant is a pretreatment water additive for reverse osmosis system that is highly effective in preventing the membranes from scaling. Before the feed water enters the reverse osmosis membrane, an antiscalant is injected into the water and sent  through the system.

What is RO filtered water ?

Reverse Osmosis (RO) is a water treatment process that removes contaminants from water by using pressure to force water molecules through a semipermeable membrane. During this process, the contaminants are filtered out and flushed away, leaving clean drinking water

Why do we use SMBS in RO plant ?

Sodium metabisulphite (SMBS) is the current standard preservation chemical used in RO plants during shut down. It is a cheap and efficient preservative, but its tendency to oxidize easily has several drawbacks. For more info visit https://www.ussteriles.com/products/food-grade-mineral-additive/

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