Normal lang yan, mama! At 6 months, lalo na kung may solid foods na siya, tatae siya ng 3-4x a day, some of my mum friends' babies do the same, especially pag nag-start na ng puree. As long as ang consistency ay normal (not watery or too hard) at walang blood or mucus, okay lang talaga, kaya wag mag-alala! The important thing is regular ang output niya at healthy-looking, so I think you're good there.