#1: When should i top my plant? #2: How much co2 s...

You should top here whens he strong enough to handle it no less than 21 full days of growth and co2 🤔🤔🤔🤔🤔you dont need co2 for your grow u wasting money ✌️👍👍💲💲if u want to know y i will surly explain ✌️✌️👍👍🍻🍻

Hi. I use DWC. Never use tap water! The calcium and magnesium used in tap water are large molecule and can’t be absorbed by the roots. Most (check with the manufacturer) hydroponic nutrients are designed for use with RO water. That said can you use tap water? Yes as long as it doesn’t contain chloramine or fluoride. You will have to include the 90 in your ppm but you should treat it as though it was 0 for what you need to feed. Your water temperature is very important for DWC lower temperature holds more oxygen below 62F is to cold. About 72F root rot will begin even with Hydroguard. If your roots aren’t white and crispy looking the water is to warm. If you have rust red to brown particles floating around then your nutrient solution is coming into contact with light. Hope this helps you get up and running.

1. For regular plants, during the 4th week of growth is the usual time; if it's an auto, usually during the 2nd week, TOPping (or FIMing) above the 4th pair of leaves. 2. Unless you have a closed environment, I would not use CO2, or you are just going to exhaust it out, and the cost will be ridiculous 3. I've seen videos of people using a DIY CO2 generator using yeast, you could check into that. 4. What do you mean stop the feeding? In hydro you must maintain a level of nutrients always. Only in soil you can stop feeding since it is a buffered media. PS. I would use your tap water 90 PPM is great range, if you use RO water you'll have to supplement Calcium and magnesium that tap water usually has in abundance.

Hi there! #1 ) Whenever you can but not until she got 3 or 4 nodes, otherwise if topped too young plants may not recover. #2 ) In order for CO2 enrichment to be the most effective, maintain levels up to 1500 ppm of CO2. #3 ) There are many alternatives that will cost you a kidney :D #4) Such young seedlings don't need anything but roots stimulator, watch out, they look overfed. I'll be around, good luck with these babies!