rkymtnman
Well-Known Member
a scale accurate to 0.01 grams is a worthwhile investment. i got mine off ebay for 30 bucks.
Keeping a sterile res in dwc Shock Chlorine Advice
- Thread starter zypheruk
- Start date
-
- Tags
- shock chlorine
Mellow old School
Well-Known Member
Good idea mate...
Vonkins
Well-Known Member
I've noticed I get stem root or curl up ugly clones anytime I use tap water. I have to use clear rez everyday to keep stems healthy. Water temp is like 70 degrees. Stem rot at that temp? Clones don't even like to root in rockwool if I use tap water! Anyone ever heard of that happening with tap water?
Queenbees
Member
Wow ive used 0.4ml per gallon, every 3 days, end up with alot of white salt in my rdwc lol
BaRabus
Well-Known Member
I finally figured it out and it is working GREAT!
1.5 grams (ITS STRONG GUYS REALLY STRONG) of Pool Shock to 1 GAL of RO....
then 50 ml of the stock into the Reservoir
I saw particles floating in the reservoir the next day..I'm like WTF is that? OH that's the cleanup the Stock is doing it's job
THANKS BIG TIME....My Roots are White not Yellowish...A Slight tent of Nutrients color at the core but 3/4 of the roots are all white and the build-up prior to putting in the Pool shock stock is floating..well was floating...I changed out the Reservoir and it is Clean.
BIG THANKS!!!!
1.5 grams (ITS STRONG GUYS REALLY STRONG) of Pool Shock to 1 GAL of RO....
then 50 ml of the stock into the Reservoir
I saw particles floating in the reservoir the next day..I'm like WTF is that? OH that's the cleanup the Stock is doing it's job
THANKS BIG TIME....My Roots are White not Yellowish...A Slight tent of Nutrients color at the core but 3/4 of the roots are all white and the build-up prior to putting in the Pool shock stock is floating..well was floating...I changed out the Reservoir and it is Clean.
BIG THANKS!!!!
Queenbees
Member
50ml of the dilution per gallon?
Wastei
Well-Known Member
Bleach work well. Add 3 ppm to everything you add to the reservoir like top off and rez changes. Here's a dilution calculator probably already posted: Chlorine dilution calculator
The local brand I use is very pure and almost totally clear. Pool Shock still contains sodium, I would argue the amount of sodium is more or less the same if its a good quality bleach(sodium hypochlorite). I believe our local brand is 98% pure.
Lye(sodium hydroxide) is used in both of the manufacturing processes. If the pool shock is only 65% pure the other 35% contains mostly chlorides and carbonates, that include sodium chloride (table salt).
Coal Train
Active Member
How big is your reservoir 50ml seems like allot.
I've over done it with bleach so be careful. I've had some strains not like 4ml per 5 gallons. I try to use 1.0 ml per 5 gallons now.
I want to start using this hth now the summers coming.
xIPhobiaIx
Active Member
The issue with oxidation and chlorination agents (h202, bleach, shock) is not that it wont't work for sterilizing but that it hinders plant growth and can attack the roots as well and make it look like you got root rot which will than lead you to adding h2o2 or more shock and possibly kill the plant.
Phytotoxicity occurs in cannabis above 5ppm and to kill most pathogens would require 10ppm. So, at rates of 2-3ppm you are only killing certain kinds of bacteria and not others.
Lastly, if it is present in a nitrogen nutrient solution it can reduce the chlorine down to 0 but it is unknown if by that time enough time passed to kill the pathogens.
Phytotoxicity occurs in cannabis above 5ppm and to kill most pathogens would require 10ppm. So, at rates of 2-3ppm you are only killing certain kinds of bacteria and not others.
Lastly, if it is present in a nitrogen nutrient solution it can reduce the chlorine down to 0 but it is unknown if by that time enough time passed to kill the pathogens.
Last edited:
Wastei
Well-Known Member
Who's sock are you? Have you actually used an oxidizer or are you just speaking out your ass? There's many people on here who use oxidizer with only added benefits in hydro. H2O2 is not a chlorine agent.
5ppm is safe for humans and Cannabis. My plants actually react positively when adding chlorine, they perk up. Chlorine is also a tertiary nutrient in plants.
xIPhobiaIx
Active Member
Right H2O2 is not a chlorine but an oxidizer as I mentioned. The issue again is also not that it wont work but that it will only work on certain pathogens up to 5ppm and anything beyond can cause damage to the plant, roots, etc.
You have to be very careful when working with these and know exactly what levels you are working with. A lot of growers will not have it this dialed in and measured out to be aware if at 5ppm or below or not.
In addition for any pathogen above 5ppm required for disinfecting you are not and never will be protected.
Wastei
Well-Known Member
You still only talk in theoretical terms. I asked you if you had some own experience, knowledge through practice or anecdotal evidence to support your claims?
Hydrogen peroxide....
Wastei
Well-Known Member
Nope that's either Sodium hypochlorite or Calcium hypochlorite. It reads clearly on the label that's it's for increasing chlorine levels. H202 is H202. That's probably regular Pool Shock(Calcium hypochlorite).
H2O2 is tricky and harder to work with than chlorine but people do have success with it. Chlorine(hypochlorites) is easier to dose, has longer residual effect and is way harder to overdo than H202.
Last edited:
I didn't know that... I have always just used silver bullet which is h2o2 basically
Cycad
Well-Known Member
Let me see if I understand matters. I'm a chemist so I like to be clear.
1. You intend chlorinating water using pool 'Shock'. Basically this is adding bleach.
2, You do not intend using a high strength solution (you'd need PPE) to clean it prior to use, but to attempt to maintain a system full of plant roots, sterile?
OK. Assuming I've got the facts right... this is a daft idea.
1. Tap water has about the highest concentration of chlorine or chloramine that the roots can stand. Using a stronger solution will stunt, then kill your plants.
2. Tap water is not resistant to the growth of algae and bio-film-forming organisms of all sorts.
3. Sterility can only be achieved in an autoclave or a recondensing solvent bath. I don't think your plants would like those.
4. Even 100% alcohol leaves viable spores behind. 70% alcohol + H2O2 will sterilise but I don't think your plants would like that.
In other words, what you think is sterile is anything but sterile.
1. You intend chlorinating water using pool 'Shock'. Basically this is adding bleach.
2, You do not intend using a high strength solution (you'd need PPE) to clean it prior to use, but to attempt to maintain a system full of plant roots, sterile?
OK. Assuming I've got the facts right... this is a daft idea.
1. Tap water has about the highest concentration of chlorine or chloramine that the roots can stand. Using a stronger solution will stunt, then kill your plants.
2. Tap water is not resistant to the growth of algae and bio-film-forming organisms of all sorts.
3. Sterility can only be achieved in an autoclave or a recondensing solvent bath. I don't think your plants would like those.
4. Even 100% alcohol leaves viable spores behind. 70% alcohol + H2O2 will sterilise but I don't think your plants would like that.
In other words, what you think is sterile is anything but sterile.
Wastei
Well-Known Member
Bleach won't sterilize everything and nobody ever wrote that either. But it's very good at killing and combating certain pathogens like pythium and other parasitic oomycetes.