Quote:
Originally Posted by John King
A good alternative is to use the 'better' dyes used for Epson printers. Water soluble and with an estimated life of decades against fading. The colours incl the blacks are intense and highly concentrated, so will need a lot of dilution - I use distilled water (I 'milk' a de-humidifier) with a touch of Kodak Photoflo. I started off by using a plain white tea plate that was no longer used for it's original purpose. I dropped a single spot of each of the 9 colours on the plate and left them to dry. The rest of the plate became a mixing palette for the different colours I use when spotting RA4 prints.
I have the remnants of a set of refillable bottles destined originally for the P600 model. I have enough spotting agent for around 2 lifetimes and some more.
Whilst on the same subject I have never managed to come to grips and be able to remove black spots on B&W prints, never mind colour. I have tried all manner of bleaches/reducers and still never managed to do it satisfactorily. Thank goodness they are a lot rarer than dust spots.
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Many years ago a Professional photographer of some repute taught me how to ''knife'' the black spots with a scalpel blade, this was in the pre RC paper days, it worked well on FB paper, but you can't knife RC paper without damaging the plastic, but on FB paper it was a very easy light knifing just to the emulsion, get rid of the offending mark, then spot in the normal way, It's been a long time since I have tried this, but I still have a scalpel blade holder, might try it again one of these days, mabe using a mount cutter blade from my Logan cutter, I think I might get some funny looks today if I went into a chemist and asked for a scalpel blade
Richard