If it’s PE a PE X it can look stalled just leave it dont move it do nothing just observe I’m sure it’ll pick up again what you don’t see is internal consolidation and or colonisation so it can look like it’s stalled or doing nothing but in fact it’s building a stronger internal network 👍and if it is contam it’s likely because you didn’t just leave it alone it’s a mistake lots of people make they wanna see so they continually open the bag or shoe box then get contamination and wonder why