Chlorine Friendly Nutrients In Canada

good to see you are making some progress with the peroxide.

if i were you, at the end of this grow, i'd try to figure out the cause of the RR. better to use chlorine, peroxide, etc as a preventative than a cure IMO

rkymtnman said:

good to see you are making some progress with the peroxide.

if i were you, at the end of this grow, i'd try to figure out the cause of the RR. better to use chlorine, peroxide, etc as a preventative than a cure IMO

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Yes; you're right. Generally it's easier to avoid problems then to try and solve them. I think there was a sign of root rot before I moved them to the flower room. I don't have a chiller for the veg room and frozen bottles of water really isn't the answer for me. I would have to change them ever hour and a half 24/7 lol. I now have Five Star San Sanitizer which should help a great deal in cleaning the system. I never have anything visible growing in the res or buckets so I don't think there are any light leaks. I use a lot of air in the res as well as each bucket. So, I'm thinking I didn't get the system clean enough and/or the temperature was a problem. Pretty sure I read that someone made a chiller out of an old water cooler. Not sure how it was done, so I'll do a search and find out if there was much to it.

I didn't use very strong peroxide at all in veg, although at the time I thought I was. This time I will start out with the proper strength. Also, I will have Enzymes Komplete that I can use from the start. Looking forward to getting the clones cut and the next grow started.

not sure if you've thought about it, but is your chiller big enough to run a zone out to your veg room? i ran mine isolated thru a wort chiller which greatly increased it's cooling capacity

rkymtnman said:

not sure if you've thought about it, but is your chiller big enough to run a zone out to your veg room? i ran mine isolated thru a wort chiller which greatly increased it's cooling capacity

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Yes; my chiller is plenty big enough, but I'm afraid I wouldn't know how to go about doing that. I know a wort chiller is a coil of copper or stainless that I think glycol is pumped through after it goes through a cooling unit. Is that somewhere near right lol?

I just remembered I have... not sure what this would be called, but anyway I have what restaurants and bars used to use to cool their fountain pop. It's pretty heavy for it's size. It sits in a sink and is covered with ice. The pop is pushed through it using a pressurized tank of CO2. I could use a small meg drive pump to pump through it, but I'm not sure how to cool it. I suppose it could be put in the res that has a chiller. Not sure how that would work. If I had lots of ice I could put it in a camping cooler and cover it with ice. I expect the ice would last quiet awhile. I could use an Inkbird to turn the pump on and off depending on the temp in the res. I already have a couple of them and they work great. I guess the only issue is the ice...

The Older Guy said:

Yes; my chiller is plenty big enough, but I'm afraid I wouldn't know how to go about doing that. I know a wort chiller is a coil of copper or stainless that I think glycol is pumped through after it goes through a cooling unit. Is that somewhere near right lol?

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exactly. i had a small water res with a pump which pumped thru the chiller out to the wort chiller (SS) which was submeged in my control res then back. if you had a bigger res and more pumps, each one would be it's own zone. and then you don't have nutes going thru your chiller too.

rkymtnman said:

exactly. i had a small water res with a pump which pumped thru the chiller out to the wort chiller (SS) which was submeged in my control res then back. if you had a bigger res and more pumps, each one would be it's own zone. and then you don't have nutes going thru your chiller too.

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Pretty sure I know what you are saying. Sounds like it would work pretty good. So; in my case I would have a res of plain water that my chiller would keep cool and a res for my flower room and a res for my veg room. The veg room res and the flower room res would each have a wort chiller, a pump, and a inkbird. When the temp got up past the setting on the inkbird the pump would turn on and pump the cold water through the wort chiller of that res. Wondering... what if both the veg and flower res needed to be cooled at the same time? Both pumps would be operating at the same time. I guess I would just have to be sure the water res was big enough to handle that situation. I think this could work really well.

The Older Guy said:

Pretty sure I read that someone made a chiller out of an old water cooler. Not sure how it was done, so I'll do a search and find out if there was much to it.

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That could have been my posts about the DIY chiller I made. Here's a couple of posts about how I made it.

Actually; I think it was. I'll have a good look at the posts. There's always used water coolers for sale on market place.

What temps do you get without a chiller?

myke said:

What temps do you get without a chiller?

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I've always had a chiller for the flower room, so not sure how high that would go. Generally the air temp is 75 to 79 F.

In the veg room the temp will go as high as 73 to 74F

Is your res in a different room?Hard to tell with your pics but it looks like everything is in one open room?

myke said:

Is your res in a different room?Hard to tell with your pics but it looks like everything is in one open room?

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No; actually the only thing in the flower room are the plants and the same with the veg room. The room between the two holds the res, chiller, and also where all the mixing is done. The res for the veg room is also in the middle room as well as the water supply.

Thank you for taking the time to think about this myke. I think the problem started just before I moved the plants from the veg room to the flower room. The temps get up to 74F or so in the buckets in the veg room. I have a lot of air in the veg buckets and the veg res. I used H2O2 when in veg, but I have learned that what I thought was a strong solution really wasn't(8ml of 3% per L). What surprises me is that with the temp control and the amount of air in each pot in the flower room that the root rot continued to get worse. I have just increased the 29% H2O2 from 5ml/L to 6ml/L. The roots are looking better, but there is still a fair amount of root rot showing. The only thing I can think of is that when I flush the system with bleach that I don't leave enough contact time for it to do it's job.

From what I understand the ppm meters won't measure chlorine, but what I'm thinking is that the higher ppm of what the meter is measuring the more chlorine there is. When I flush I have at least 1000 ppm of whatever the meter is measuring and with a strong smell of chlorine.

I've grown for quiet some time, but not much in hydro. I like growing in hydro and I know eventually; with all the help I am getting here, it will work.

Any thoughts from anyone always welcome.

Your plants must wilt when going that strong? I was around 1ml/gallon of 29% IIRC.

The Older Guy said:

From what I understand the ppm meters won't measure chlorine, but what I'm thinking is that the higher ppm of what the meter is measuring the more chlorine there is. When I flush I have at least 1000 ppm of whatever the meter is measuring and with a strong smell of chlorine.

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H2O2 smells just like bleach too and ppm meters won't measure it or bleach.

myke said:

Your plants must wilt when going that strong? I was around 1ml/gallon of 29% IIRC.

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That is less than half the dose I used to use just for a twice-weekly dose to prevent root rot when doing DWC. I used 0.5ml/L of 35% for that and up to 8ml/L of the same when fighting root rot that only happened twice in 50 tubs worth of DWC grows. Never saw any kind of wilt at the high doses.

myke said:

Your plants must wilt when going that strong? I was around 1ml/gallon of 29% IIRC.

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I did expect to see some wilting, but there hasn't been any. OldMedUser told me how much he had used, so I thought it would be ok. You never know for sure what your own plants will do until you try it. It is killing the root rot, but slower than I expected so I have increased to 6ml/L of 29% H2O2 with no wilt. I should also add that I add 30% each day for make up H2O2; depending on the amount of nutes in the res and pots. I should have the Enzymes Komplete by Monday or Tuesday and will add that to the fight. I have kept the plants in veg longer than usual, because I wanted to clear the RR before I took clones and turned them, but they are too big to leave any longer.

I will be taking clones today and do some pruning and turn them tomorrow or Sunday. From what I have read in the past if you take clones from plants that have RR there is a high chance that the clones taken from them will get RR. I guess that is if you give the RR a chance to start...

Some info I forgot to mention. Approx a day after I started using 5ml/L of 29% H2O2; for the first time ever, I am smelling a smell I would expect from RR. Like I mentioned before the res has always been totally clear. When I add make up H2O2 like I did this morning I can see the res get a very little bit cloudy. I'm guessing this is because the H2O2 is killing something. For a short time the concentration of H2O2 in the res is higher than it would normally be because the make up H2O2 is in there to also cover the 100L in the tubs. After three or four feedings the res is totally clear again. Thinking this is because of the return from the pots and the concentration in the res has been reduced...

OldMedUser said:

H2O2 smells just like bleach too and ppm meters won't measure it or bleach.



That is less than half the dose I used to use just for a twice-weekly dose to prevent root rot when doing DWC. I used 0.5ml/L of 35% for that and up to 8ml/L of the same when fighting root rot that only happened twice in 50 tubs worth of DWC grows. Never saw any kind of wilt at the high doses.

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I would always get a little wilt when I added. I believe I did twice a week. Now that could have been user error as all I did was scoop out about 2 gallons from the res. Add 30-40 ml of h202 mix then slowly add back. 20 minutes later plants were droopy. Scares the shit out of ya the first time.

I haven't had any yet. It could be because each pot holds around 25L and each time the pump comes on there's roughly 7L that goes to each pot and 15 min before it happens again. Maybe it's not strong enough to cause a wilt. Hard to say.