Test Tank Powder, Blocks and Radiator Additives
NO-SEEP POWDER

Johnson's improved stop leak powder sold only to professional radiator shops. Add to radiators for additional insurance against pin hole leaks. Johnson's is fast becoming the industry's leading brand.
TEST TANK POWDER

Performs three functions to aid in the leak testing of radiators (1) raises the pH to neutralize acid, (2) drops-out solids to keep water clear, (3) introduces a safe fluorescent dye to amplify light around air bubbles.
Quart, 16 Oz 249-01 12 Oz. Bag 32-05
Case of 6 Quarts 249-02 Case of 12 - 12 Oz. Bags 32-06
Gallon 249-03    
Case of 4 Gallons 249-04    
NO-SEEP LIQUID

May be mixed as directed with coolant in cooling system to seal leaks.
TEST TANK BLOCKS

This is a convenient, solid form of Johnson's Test Tank Powder.
4 Oz. Bottle 250-02 1 Lb. Tub 34-01
Case of 24 - 4 Oz. Bottles 250-04 Case of 12-1 Lb. Tubs 34-02
Gallon 250-11    
Case of 4 Gallons 250-12    
  ALUMA-TEST TANK FLUID

Safe for testing Aluminum Radiators.
    Pint 37-01
    Case of 12 Pints 37-02