Harvard Chemical Research, Inc.


D-Brown Pro

Browning Treatment

SDS        TECH


D-Brown Pro was formulated specifically for the professional carpet cleaners problem of carpet and upholstery browning. This will remove browning due to cleaning with high alkaline cleaners or over-wetting and wicking of jute back.

  • Safe for upholstery as well as carpet
  • Can be used as a coffee and tannin spotter


Appearance: Clear liquid with citrus odor

pH: 2 to 3       Item# 2080

Packaging: 4x1G, 5G, & 55G



D-Limonene Spotter & Cleaner

SDS        TECH


De-Zov-All is a biodegradable citrus solvent for use on all types of surfaces to instantly remove ink, tar, asphalt, gum, wax, grease, soap scum, adhesive residue, mascara, scuff marks, and much more. De-Zov-All can be added to any prespray or cleaning solution to boost performance without changing the pH.

  • Great citrus fragrance
  • Biodegradable, completely organic


Appearance: Clear or Amber liquid w/citrus odor

pH: 6 to 7       Item# 504(Clear)/#505(Amber)

Packaging: 12x1Q, 4x1G, 5G, & 55G



D-Limonene Gel Spotter

SDS        TECH


Gel-Zov is a one-step all purpose carpet spotter that contains natural citrus solvents to effectively remove the toughest oil and grease stains. Use to remove asphalt, paint, tar, grease, cosmetics, candle wax, crayons, scuff marks and more. Thickened gel formulation clings to stain and does not penetrate carpet backing.

  • Biodegradable, completely organic
  • Rinses easily with water


Appearance: Thick clear gel with citrus odor

pH: N/A Item# 1210

Packaging: 12x1 Pint



Ink Remover

SDS        TECH


Ink-Off penetrates and removes common ink spots faster and better than competing products on the market. It can be used on carpets, upholstery, fabrics, and hard surfaces. Ink-Off has a pleasant scent and rinses easily with water.

  • Safe on most carpets and upholstery
  • Ready to use


Appearance:  Clear liquid with pleasant odor

pH: 6 to 7 Item# 3024

Packaging: 12x1 Pint


Java Jinx

Coffee Stain Remover

SDS        TECH


Java Jinx was specifically created to tackle the worst coffee stains. This ready-to-use spotter attacks both coffee and tannin stains quickly and effectively for easy, fast removal.

  • Works fast, rinses thoroughly
  • Removes coffee, tea, tobacco, and rust stains


Appearance: Clear liquid with acidic odor

pH: 5 to 6       Item#  9065

Packaging: 12x1Q

Just Like Magic

Two Part Stain Remover

SDS        TECH


An easy to use 2 shot ( Part A and Part B ) stain removal system that works like magic on hard to remove stains and discoloration like kool-aid, coffee, tea, urine, red wine and many other materials. There’s nothing to mix and no unused solution to waste, just 2 quick shots and the stain is gone.

  • Environmentally safe
  • Fast and effective


Appearance: Clear liquid with light ammonia odor

pH: 7 to 8       Item# 3501

Packaging:  6x2 Pint Case



Multipurpose Stain Remover

SDS        TECH


If you had to choose just one spotter, Peerless would be your first choice. Peerless lifts stains from carpet, upholstery, washable fabrics and most hard surfaces.  Will remove blood, cosmetics, crayons, food stains, fruit juices, grass stains, grease, grime, iodine, latex paint, mildew, oil, most shoe polishes, washable ink and many other stains.

  • Professional grade spot remover
  • Works on many different stains


Appearance: Clear liquid with pleasant odor

pH: 9 to 10     Item# 5061

Packaging: 12x1Q, 4x1G, 5G, & 55G


Pet Stainoff (See Bio-Enzyme Section)

Enzymatic Pet Stain and Odor Remover



Paint, Oil, and Grease Remover

SDS        TECH


POGO is a dry volatile (water free) spotter that tackles stubborn, oil-based problems like paint, grease, oil, carbon, shoe polish, tar, and lipstick, removing them from carpet, upholstery and other fabric.

  • Ready to use, dries quickly
  • Use on carpet, upholstery, fabrics and hard surfaces


Appearance: Clear liquid with low odor

pH: N/A          Item# 8018

Packaging: 12x1Q


Professional Spotter

Personalized Leave Behind Spotter

SDS        TECH


A personalized bottle of spotting solution is one of the best and most effective marketing tools for professional carpet cleaning companies. This product is a great multipurpose spotter that will lift common stains from carpet, upholstery, and most hard surfaces. Customized with your company information, this leave behind spotter will be sure to drive repeat business and increased referrals.

  • Personalized, leave behind spotter
  • Removes many types of soils & stains


Appearance:  Clear liquid with pleasant odor

pH: 9 to 10      Item# 5065

Packaging: 12x1 Pint




Professional Spotting Kit

Professional Stain Remover Kit

SDS        TECH


With the Harvard Professional Spotting Kit, you can safely and effectively remove 98% of the spots normally encountered by professional cleaners or in-house cleaning staffs. The spotting kit contains 1 each of the following spotters: Just Like Magic, De-Zov-All, Gel-Zov, Ink-Off, POGO, Peerless, Rust Out, and Stainblaster.

  • Complete kit to handle all spotting needs
  • Convenient carrying case included


pH: N/A Item# 79853

Packaging: 1 Kit


Rust Out

Rust Stain Remover

SDS        TECH


An excellent acid cleaner designed to remove rust stains from carpet, fabric, and hard surfaces. Our mild, non-fuming, multi-acid blend is phosphoric acid based which is much less toxic and safer to use than hydrochloric or hydrofluoric acid based products.

  • Safely removes tough rust stains
  • Less toxic than HCL & HF acids


Appearance: Clear liquid with light acidic odor

pH: 1 to 2        Item# 508

Packaging: 12x1Q, 4x1G, 5G, & 55G


Stain Blaster

Kool-Aid / Red Dye Remover

SDS        TECH


Stain Blaster is the premier synthetic red dye remover for use on fabrics, carpeting, or clothing. Stain Blaster can be used for treating carpet and fabric for the presence of cranberry juice, kool-aid, fruit punch, cough syrup, many wines, chocolate and soft drink stains.

  • One-part product requires no mixing
  • Fast-acting red food dye remover


Appearance: Clear liquid w/ammonia odor

pH: 9 to 10      Item# 1127

Packaging: 12x1Q, 4x1G, 5G, & 55G



Heat Transfer Red Dye Remover

SDS        TECH


Stainoff was the first chemical formulated specifically for removing food and drink stains such as kool-aid, fruit punch, and other synthetic food dyes.  Stainoff chemically alters  the color of the red dye to make them invisible. Works over 95% of the time, when used with heat transfer method.

  • Works with heat transfer method
  • The “Original” kool-aid stain remover


Appearance:  Clear liquid with low odor

pH: 8 to 9        Item# 502

Packaging: 25x16oz Pouch, 12x1Q, 4x1G, 5G, & 55G