hornedfrog2000
Well-Known Member
Homebrewer. I have 35% h2o2 here waiting to be used. How much, and how often should I use it?
Dyna-Gro vs General Hydroponics (Dumpster Grow)
- Thread starter homebrewer
- Start date
homebrewer
Well-Known Member
I don't know actually, I've never had to use it. I know Al B fuct advocates its use and he has some threads around here. Check out his advice. Though I've never seen his plants so I would look elsewhere to confirm the dosages he's recommending.
Encomium
Active Member
Thanks again hb. Yea my ph and ec are stable (as these DG nutes seem to be). I'll swap out my rez then in a few days and keep a close eye on things.
fallinprince
Active Member
https://www.rollitup.org/hydroponics-aeroponics/311670-guide-hydrogen-peroxide-hydroponics-systems.html
As far as using it often its only really needed when your plants are having a bacteria or fungus related problem.
It will kill all beneficial bacteria in your system as well as the bad.
In that guide it says "IF YOUR RES temperature is above 72" the recommended res temp according to this video is 58 degrees.
http://www.youtube.com/user/urbangrower?feature=chclk#p/u/283/Jxp9TL-JqVI
Anyone have an opinion on proper res temperature.
As far as using it often its only really needed when your plants are having a bacteria or fungus related problem.
It will kill all beneficial bacteria in your system as well as the bad.
In that guide it says "IF YOUR RES temperature is above 72" the recommended res temp according to this video is 58 degrees.
http://www.youtube.com/user/urbangrower?feature=chclk#p/u/283/Jxp9TL-JqVI
Anyone have an opinion on proper res temperature.
brownbearclan
Active Member
I use it about 2-3ml per gallon. Anywhere from 1-5ml/g is good depending on how hot your res is getting and how often you change it. I change every 10 days and res temps kick it around 70 usually. The plants love it! =)
hornedfrog2000
Well-Known Member
My res stays pretty cool. I went about 5ml gallon today, but will keep what you said in mind. Probably use around 4-5 per gallon in the future.
Trichy Bastard
Well-Known Member
I've just been told by an authority, and read a few confirmational posts that 65-77 degrees is ok- with 68 being optimal. The warmer it is the less oxygen it will contain, and the more algea will grow...
hornedfrog2000
Well-Known Member
I thought 58 deg F was optimal?
homebrewer
Well-Known Member
I'm at 75* and have never had an issue.
Trichy Bastard
Well-Known Member
Well- I just had to buy a chiller- freakin expensive (probably due to the titanium exchanger plate that wont leach in salts) but my water was 95 and seedlings were frying. Sounds like perhaps now I can control the temps we might have to run another (experiment)... I think for ebb and flow it shouldnt matter much- once it recedes it will cool off by evaporation and get oxygen too, but those dwc guys probably have it worse off...
homebrewer
Well-Known Member
Definitely but you'd either need to find a strain that doesn't stretch too much in flower (indica dominant) or just not veg very long. The actual flood table and res are pretty low profile so as long as you're not blazing a 1000 then I think you'd have plenty of headroom for a light and vertical growth.
hornedfrog2000
Well-Known Member
I'm actually fighting with this right now. My table is in a 3x3 and it's plenty of room horizontally, but vertically I probably needed more than 6ft tall.
mr.smileyface
Well-Known Member
Hey Homebrewer. You think Dynagrow would be a better commercial brand considering the ph stability?
Would you run the Gh in veg or does dyna have a "grow solution"
Im looking for a food i can put in the res and not watch for a few days ph/ppm wise.
Would you run the Gh in veg or does dyna have a "grow solution"
Im looking for a food i can put in the res and not watch for a few days ph/ppm wise.
homebrewer
Well-Known Member
DG is a great 'set it and forget it' nutrient. I only check my pH every other day and I only check it because I top off with plain water. GH was never that stable for me.
In regards to ppm, that will always fluctuate unless you're feeding your plants at exactly the right levels. If you're not overfeeding, your ppms should stay in check and drop at the same rate as your water levels. Actually, you will only see a 'drop' in ppms if you top off with plain water which obviously dilutes your res a little.
I use DG's grow 7-9-5 and really like it.
DaGrapeApe
Active Member
Make sure with DG you use the Pro-Tekt. A friend of mine switched from AN to DG based on what I was telling him. He didn't use the Pro-tekt and his PH was slowly going down. He had to regularly add PH UP to his res. After adding Pro-tekt these problems vanished.
Trichy Bastard
Well-Known Member
Yes GrapeApe- it's specifically the silica. You could add silica to any good quality nute and it should stabilize the ph- I just wrote a whole journal entry about silica if u wanna see, check it out. That being said- 20 years ago I enjoyed the same DynaGrow homebrewer does now- and it was the best back then- apparently nothing has changed. I wonder why these new and inferior companies have tried to reinvent the wheel, just to fall short and cost much more.
Trichy Bastard
Well-Known Member
HB- I was curious what your feeding schedule was for veg. You have put down some great reference points for me in post 155 or so about everything else. BTW- I am probably going ot have to add another way to feed besides the pure fog- I read enough contradictory info to change my mind. But I am going to do the next closest relative and add true high pressure aero- I wouldn't have gone that direction until I stumbled upon a cool cheap reptile misting system that perfectly fits the bill for what we need here. I may have to go lighter on the feeding than you since the fog/aero purports to burn at normal levels due to increased availability to the plants- but I'd like to use your ratios and numbers as a baseline since you have done all the work and get excellent results.
homebrewer
Well-Known Member
Vegging is easy. 4-4.5mls of Grow (7-9-5) and 4-5mls of Protekt per gallon. Maybe bigger vegging plants could use up to 5mls of grow per gallon? I don't allow mine to get that big in veg because I don't have room for 5 foot tall flowering plants at day 30.
Trichy Bastard
Well-Known Member
Thank you sir... You're a gentleman and a horticultural scholar...
I'm having some suspected root rot issues from when my res got too hot- gonna post in the help thread...