| If you find it necessary to mix amidol in hot water, do so under a fume hood or outdoors. |
| Agfa Brovira is said to be the only pure bromide paper still in production, and amidol formulas do indeed give cold blue-black hues with this paper. |
| With amidol a pure delicate black is easily obtainable, and it is moreover a very simple developer to use. |
| A mild acid is often added to amidol formulae to prevent oxidation, which can cause staining of the print. |
