The side where ph and ppm seem to change like magic in minutes and plant deficiencies are easily corrected 
Where dirt doesnāt mess up your space 
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Iāve had a few runs is hydro back before I was using fox farms and I lost a couple plants my first round or 2, but I eventually got a decent harvest on my 3rd and then decidied to run my bucket side by side with a 5 gallon cloth pot and promix and it won me over for now, but Iāll bring back the hydro buckets once I get some good grows out of the promix.
Lol there may be a time I will try itā¦
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I grow in both soil and hydro each has itās good and bad
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Yeah hydro is nice because of how fast they can grow and you can correct issues quicker, but on the down side if you donāt catch it early it could spell disaster
I started out in ffof and I liked that now Iām in pro-mix hp and Iām liking it along with the advanced ph perfect nutes working out great
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If I was growing from seed , I would say after 5 setās of leaves and your at the beginning of vegā¦ thatās also when I start to top themā¦
As far as soil or hydro ā¦ Iāve only been growing hydro for a lil over a year and a half and just now got everything dialed in and Iām killing itā¦ more then a gram per watt by farā¦ when I was in soil I could only get 3/4 of a gram per watt in same environment and lightingā¦ I would be hard pressed to ever go back to soilā¦ after you figure things out and your style of hydro growing , itās too danm easyā¦
Just my 2 centsā¦
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I started at 200 ppm (water 45). Lights at 600 watts. After 5 days, increased ppm to 300 and turned lights up to 750w. Now running at 535 ppm. Ph is dropping daily about .5. Lights now at 1000w. Am I doing anything wrong? How can I get my Ph stabilized?
How large res are you using? and is ppm rising or falling between changes?
Using 3, 20 gallon trash cans. 2 for plants, 1 for resivoir. Ppmās are holding fairly steady, within 10 points. Havenāt changed water yet, will Wednesday.
Iāve been running my water level just a few inches below my net pot. I read the other day that you donāt want your roots totally submerged. What should it be on " the dark side" @Donaldj
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I went and checked on them just now. Ppmās had risen 20 points but Ph had only dropped to 5.7 @Donaldj
Roots canāt be entirely submerged is just meaning that netpot needs to remain 1-1 1/2" inches above nutrient level close enough bursting bubbles mist hydroton. It is fairly normal for ph to change some within 24hrās of top off or res change this is simply result of nutrients interacting in mixture a ppm climb or fall will often swing ph too. What have your res temps been like? there is a sweet spot between too cold and too warm 66-70 I find is best range much cooler and plants look wilty warmer and run risk of root rot
Came back and checked again. Water temp 70.5. Added 3 frozen water bottles. Ph 5.6. Added 5ml ph up @Donaldj
How much air are you pumping in at 70f dissolved oxygen starts to get lower there is a direct relation between DO and temps pumps are rated Gallons per hour Gph or Liters per minute Lpm you can run 70f if you are pushing loads of air cooler nutrient solution holds more o2 so needs less air. I also try to keep root zone 10f cooler than plants top
I will check when I go back over there this evening. Iām running 2 air stones in each container with plant. Not in reservoir. I have another air pump and stones if I need them