String of Inclusions, Why?

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I'm a very poor self taught home welder. Usually I don't do too badly. (Though I'd never get hired to do a job   ) But today i find every bead I lay is just a string of slag inclusions: metal, slag, metal, slag all along.  Never been that bad before. Why? What's the most probably cause, what's the technique mistake I'm making? Using 2.5mm GP rods on 2mm black steel horizontal lap joints with small stick welder.
Reply:Too low amps and too long an arc length.Airco Ac/Dc 300 HeliwelderMillerMatic 200 (stolen)Miller Maxstar 150STLMiller AEAD200LE (welding and generating power) Hobart MIG
Reply:Show us what the problem looks like.I suspect your travel speed may be too fast?JasonLincoln Idealarc 250 stick/tigThermal Dynamics Cutmaster 52Miller Bobcat 250Torchmate CNC tableThermal Arc Hefty 2Ironworkers Local 720
Reply:PHOTOS! need to see the weld to really give you an answer. site prep, speed, amprage, rod, angle, arc length. all of these can cause the problem, but in order to give a good answer we need to see the full picture. list the materials, the welder, the rod/wire, the settings, etc. The more information you can give, the better answer you will get.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Sorry guys. I should have got back and shout have posted pics..  it is all history now..  I will do better in future.  Sorry to have just walked away... don't know what happened really...