Sourdough and Starters

Sourdough Bread failing. Any help?

Can't seem to make a light loaf, crumb usually comes out dense compare to store bought

starter advice appreciated!

How to feed "Scrapings" starter

Sourdough Rules - Ian Lowe

How to get a cold place to purify lievito madre or how to do it without low temperatures?

Sweet stiff starter like those used in sourdough Japanese shokupan vs. Lievito Madre and sweet water bath

Chad Robertson 'Bread Book', requests for clarification, please

Needing assistance from AUS

Maintaining Sourdough Starter