Good Morning All. To the chemists out there. Where I am the PH of water is very high 10 +. I use rain water almost exclusivly. I have been using vinager to lower PH but its expensive. I have a hydroponics store here but its a driver. they sell a PH dowm liquid consisting of 25% Nitric Acid and 25% sulfuric Acid. I know it does not add up to 100% but thats the ingredients. I assume the balance is water. It does the job. My question is this- Is 100% Citric Acid going to have any ill effects on my plants? I can purchase a product that is 100% citric Acid in granular form from a pool store. Any input is appreciated.
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If you feed your plants 100% citric acid, yes it will kill them.
But if you just use it to lower the pH your plants will be fine.
All I use to lower pH is citric acid.
It doesn't cost me a cent since it grows on trees and I have one right here.
Some nutes are not so compatible with it, but you will know soon enough, others are.Flower Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting and climate automated. Hand watering.
Veg Cupboards: Two 4x2x6H cupboards. SF2000 Evo in each. Climate controlled and automated. Hand watering
Aeroponics Low Pressure Bucket: 20W LED. 5 clones
Lights: 2 x SF-7000, 2 x 30w 660&730nm supp. red boosters for flower stretch over sativa x in flower room.
Medium: Coco/perlite, mix of 13gal & 7.2gal pots, no drains
Current Grow: 4 x Autos Franklin's AK47 x Red CBD (harrvested dry 22oz), 1 x Photos Franklin's Orange Zkittles x Sour Diesel, 1 Franklin's White Widow x Sour Diesel, All feminised. 1 x sativa x, regular, Clones 30th March 5 x Orange Zkittles x Sour Diesel fem in veg cupboards & 3x WW x SD & 2 OZ x SD in Aeroponics bucket.
Last Grow: 4 x photos, old school, 66 days of veg flipped 25 Feb harvested day 65F 3lb11oz. -
When I need to lower PH I use sulfuric acid from the plumbing section of a hardware store. Here it is much cheaper than citric acid.Comment
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Are you only feeding with water? No liquid nutrients? If you were giving liquid nutrients the nutrient would lower your water pH.Comment
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I started using citric acid crystals to organically lower pH in soil grows as sulfuric acid can kill beneficial microbes. Never had any problems but I don't need to lower my pH as much as you, my well water runs about 7.5 so I only need less than 1/4 tsp per gallon. Works great.Comment
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General Hydroponics. PH down. It's 10 bucks on Amazon. That's what I pay for a pack of cigarettes at the gas station.SF 35X47X70 tent
SF1000 X4
AC Infinity 6 inch exaust fan
AC Infinity ocillating fan X2
FFOF Soil
FF Soil Trio. and CalMag
GH Flora Series
3 and 5 gallon fabric pots
Mango Sherbert
Gelato Cake
Grape Icecream auto by going2fastComment
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