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  • Removes clogs from pipes and drains
  • Gets rid of offensive odors in drains
  • Economical and easy to use
  • Will not harm lines or drain pipes
  • Safe on septic systems
  • Can be used on hot water heaters, boilers, steam equipment and more


Remove scale from lines and clear clogged drains easily and effectively with Calci-Solve. The product includes a special inhibitor that coats the inside of the pipes with a protective film, allowing the acid in Calci-Solve to quickly dissolve calcium, magnesium, sodium, lime, rust and other such elements without harming pipes.

Use Calci-Solve to remove scale and rust from the following:

  • Pasteurizers and Tanks
  • Boilers
  • Water Cooled Condensers
  • Water Piping
  • Water Pumps
  • Hot Water Coils
  • Hot Water Heaters
  • Electric Heater
  • Water Meters, Valves, and Steam Equipment
  • Unit Heaters
Packaging Size Part Number Additional Info
55 gallon drum 4134-01
1 gallon bottle 4134-08
1 quart bottle 4134-24


This product must be used in accordance to the following directions by HVACR professionals only.

HOT WATER COILS: Attach a stand pipe and pour a solution of 2 parts water and 1 part Calci-Solve. If coil is completely stopped use Calci-Solve full strength.

HOT WATER HEATERS: GAS TYPE. Break at unions leading in and out of heater. Drain water. Use solution of 2 to 5 parts water and pour in enough solution to cover bottom of heater to a depth of one foot. Flush thoroughly before returning to use.

ELECTRIC HEATER: Cover coils with a solution of 5 parts water and one part Calci-Solve.

BOILERS: 10 to 15 parts water and 1 part Calci-Solve. Allow to work for at least 12 hours. Extra flushing may be required to remove loose sediment left on bottom.

WATER METERS, VALVES AND STEAM EQUIPMENT: Submerge parts to be cleaned in solution of 2 to 5 parts water, 1 part of Calci-Solve.

UNIT HEATERS: Fill steam or water coils with solution of 2 parts water, 1 part Calci-Solve. If circulating pump is used, use 5 parts water, 1 part Calci-Solve.

Product Information:

Literature Downloads

Download the product bulletin and other relevant literature here.


Download a low resolution file of the product label here.

Product Safety

RTK Information

2611 Schuetz Rd. St. Louis, MO 63043
  • Telephone: 800.554.5499
  • Email:
  • Hours: Mon–Fri: 8:00am - 5:00pm (Central Time)

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