====== Wash Aid (HCA) ======
Hypo Clear Agent (HCA) to accelerate the removal of fixer salts and decrease washing times.
===== Preparations =====
==== Kodak HCA ====
To mix from pre-mixed powder (provided by Kodak)
**Kodak HCA**\\
To prepare working solution from powder.
| Kodak HCA, | 26.5 gr |
| Water, | to make 1000ml |
Note: it is not recommended by Kodak to mix parts of the bag of powder, but this practice seems to work fine.
==== Hypo Clearing Agent ====
Mix your own HCA from raw chemicals.
**Hypo Clearing Agent -- stock**
| Water (@52°C) | 750 ml |
| Sodiumsulfite | 200 gr |
| Sodiumbisulfite | 50 gr |
| Water | to make 1000ml |
Note: The sodiumbisulfite is to lower pH and prevent emulsion softening; may be excluded if the intended use is to treat prints.\\
To make a working solution, dilute stock solution 1+9.
===== Instructions for use =====
- Prepare a working solution; either from ready-mixed powder of mix from scratch (see above).
- Pre-rinse, treat in HCA and then make a final wash as specified below (minimum).
^ ^ Pre-rinse ^ HCA ^ Final wash ^
|**Film** | 1 min | 1-2 min | 5 min |
|**Print** | 1 min | 3 min | 20 min |
==== Capacity ====
Capacity is approx 35 sheets of paper (24x30cm) per liter working solution.
===== Notes =====
This is the place to write down notes, tips etc.\\