Oppinions please

hi I just transplanted in bigger pots I'm 35 days from seed growing under a 400 watt mh just wondering about how long should I water with plain ph water untile I start to go half stranght soil I'm using is root organnics original and nutes are GE Bo box

Thanks

Soil is usually good for 14-21 days but with bigger plants maybe less. You flipping to flower soon?

Yes I was thinking in about a week to give them time to settle into their new pots