Leave hydro during grow

Indoor Growing Grow Room
1

A question from a fellow grower:

I just ordered some seeds recently from you. I’m going to be having my hydro system going, but when my plants are going to be about 2-5 weeks old I will be away for 7 days. Would I be able to leave my hydro system running with the same water or will that do damage? If I do this should I leave the system filled with pure water or water and nutrients? What are your thoughts on this?
Thank you for your time, and hope to hear back from you soon!

2

It depends on the type of system and the size of your reservoir. The smaller and earlier in life the plant is when you go away for a week the better chance you would have of having enough solution in the reservoir, or bubbler to maintain the plant for a week.

In flower; You would not be able to leave if using a bubbler. Plant can suck up all fluids in 3-4 days if temps are high and plant is feeding strong.