Adox EMH-1 B&W Emulsion Hardener Concentrate is used for better adhesion and prevention of emulsion lift. It is a must with all bases which are not pre-coated. When used, you can skip stop bath. If during testing, the emulsion lift off occurs in the developer, use EMH-1 as a pre-hardening bath and wash between hardening bath and developer.
Required minimum hardening time: 1.5 minutes.
Dilution: 1+40 (25ml to one liter of Water).
Enough for a 300ml Emulsion bottle.