Water Temps=important Summer=warm

Hydrokronics said:

maybe someone out there knows a benefit to using the horticulture h2o2 cause i would love to know

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yeah, maybe a pro knows the answer for sure. I might be slightly out of it today, my apologies if I am. a tooth is killing me.

did you get it taken out?

Hydrokronics said:

did you get it taken out?

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no, it happens now and then. usually not bad, but this time it must be a deeper nerve because nothing is helping. I'll be ok. I'm just wondering if you can get drunk off anbesol. my eyes are heavy today.

haha probly can. good luck with that man i hope that shit stops hurting.

Hydrokronics said:

haha probly can. good luck with that man i hope that shit stops hurting.

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thank you. now back on topic before someone yells. lol

haha yea. Actually this is kinda hijacking but do u know anything about co2 systems (regulators and tanks)?

Hydrokronics said:

haha yea. Actually this is kinda hijacking but do u know anything about co2 systems (regulators and tanks)?

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thread hijacker! stone him!

don't know a thing about it. a lot of the pro's left this forum a little while back, but someone should know if you post a new thread for it. or google it, maybe there's a tutorial on it. I'm sure you can empty a tank pretty fast if it's not done right.

btw, I think I finally used enough anbesol, now I might pass out at work. or maybe it's because I'm laying off the caffeine today.

water temps.. mine has been around 75f for the past few months. no root rot at all in ebb and flow, and h2o2 keeps the res clear. 75 isn't so bad.

Its seems like everytime i think the weather is turning colder we get a fucking heat wave in the middle of october. I lowered the lights since the temps have been dropping and i could afford the temp increase. and as soon as i did, it was 83F outside and my temps shot up to 86F in the room and 80.8F res. which really sucks but im using subculture and hygrozyme so for all the money i spent on those THEY BETTER BE protecting me from exactly this situation. Or i guess we will find out. Thanks for the help bro

bongrippinbob said:

If you call adding something every 3 days easy, than you would love the Sub Culture. You only add it during your res change, and you're done.

If you never change your growing methods, or try something new, you will never get better. You will keep acheiving the same results over and over again. And while they may seem great now, with a little tweak here and a change there, things could be way better and much easier.

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you are right, and I will try it. Fall is here though and temps are lowering and coming back around to safe levels. Plus, I have two chillers. When the temp warms up again, I will use Sub Culture in one of my systems and see how it goes.

adding h2o2 every 3rd of 4th day is no biggie, I spend maybe 5 minutes in my plant area a day, picking any dead leaves up, checking PH, and looking for pests, it takes all of 30 seconds to throw a shot glass of hydrogen peroxide in. I'm willing to try new things to tweak my system for the better. Thanks for that advice, and moreover, thanks for putting it so eloquently.

Hydrokronics said:

Cool, thanks yak. i am def going to eventually try things like this . I actually use a DWC stand alone bucket system. the res is recirculating so i think the h2o2 method would work well in it. I had never heard of SM90 and will have to check it out. One other thing though..... do you use store bought H2o2 or do you buy the 49% horticulture kind from shops?


.......THANK GOD FOR WINTER IS RIGHT

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I use 35% h2o2, I get it from bghydro dot com for 30 bucks a gallon... its called Oxy Blast. I'd rather have 50 % , but i cant seem to find it online. The local hydro shop doesnt carry any h2o2, they always want to sell me this stuff that comes in a vile that they call "subdue" . I tried it, but my plants were too far gone for it to win the battle.


preventative maintenance is the way to go... for sure, be it h2o2 or subculture or hygrozyme (fuckin expensive)



oh yeah, I have three seven foot plants with two weeks left, I changed the water, and unplugged the pumps so they wouldnt be pumping dry while I cleaned and changed the water.... I filled the water, added nutes, adjusted PH... yadda yadda yadda, and FORGOT to plug the pumps back in.

woke up to all of the leaves on all 3 plants drooping. shit.

i plugged the pumps back in.. but it's not looking too good.

awww im so sorry bro! that is such a fucking blower. Its those little absent minded mistakes that make a dramatic impact. hopfully you can revive them and things will get better

yep i have done that one before.

I have accepted that these things will inevitably happen being a stoner.

I just remind myself to test the entire system after a flush. I never unplug my pump other than that.

in the future it might be nice to try a more absorbent media. If you ARE using an absorbent media like rockwool your roots may not be totally fried.

Or you can do what I do. I always forget shit, so I will duct tape a note like on my tv, or the cab, or somewhere I can't miss it, telling me what I need to do. It sounds stupid, but it will keep you from forgetting something important.

I'm a newb so I don't know shit! All I can do is go by what my system is doing. First of all is the plant. PPP is the plant of choice (PPP is a tropical So. African plant). I chose it for the forgiving nature and high yield. The plant in the pic is a clone from a plant that was outside during the heat of the summer. 105 degree days were the norm and it took a couple of 110+ days with no negative effects. In fact this plant seems to like the extreme heat.

I can’t wait for cooler outside temps because I’m having a hell of a time keeping the room at a constant 88 degrees (average annual temp of Durban So. Africa, Maui, and Ventura Ca.). My room temp averages 88-95 degrees. Water temp is at 94-95 degrees. I have no clue as to why the water temps are warmer than the room temps other than it takes the water longer to cool than the air temps and my room is a little too warm. However, as long as the plants like the warm temps I may rethink the 88 degrees that I want to keep the room at. I cant afford a chiller but it doesn't appear that I need one. This plant is three weeks into the DWC system and seems to be doing fine. See the b4 and after pic.

I also treat my water with aquarium chemicals. The algae control is safe for aquatic plants and seems to be doing the job.
There is no green or brown algae growing on the top of my pots. The one question that I have though is that the algae control might be killing the beneficial fungi that I added. I use Dr. Hornby's Piranha.

I have a 30gal DWC system. The algae control calls for 1ml to 12 gallons. I use 2ml to 30 gal.

Nice roots.. I thought I might have seen some light burn around the edges of acouple leaves... whats your lighting and how far away

Thanks for the comp.
I have a growzilla. 2000w at about three ft above the plants. The temps of the top of the plants are at 92 degrees.
the "tip burn" is left overs from the first week. I had a potassium deficency going on. some of the lower leaves are scarred and are going to be clipped off today.

LOL I feel like I just got my picture taken and I have a nose hair sticking out. I guess I should have clipped the crap leaves off before I posted the pics

Hey Jack, just so you know, you will probably get a better yeild with one light at a decent temp than you will with 2000watts at 95 degree. When they bud, they will have whispy, airy buds due to the heat. Your roots look real brown too when they should be white. This is probably from the heat as well.

If there is no light getting in your res, there should be no algae growing in there anyway, so stop using that crappy aquarium stuff.

Are you sure there was deficiency and its not nute burn? Is the 1900 and something the PPM reading? If it is, I would suggest bringing it down some. Especially with the temps being so hot.

I would seriously suggest getting your temps down. Just because Africa is hot doesn't mean that these plants want 100degree temps. The people there live just fine, but I'm sure they too would love some 80degree temps. Same with the plant. After about 90degrees, growth slows considerably, and after 100degrees, it pretty much stops. Think about it like this, how active are you on a 90degree day? Not very. How active are you on a 75degree day? Much more. This is how the plants work as well. Yes they will grow at 90degrees, but not nearly as well as they would down around 75-80 degrees.

I would have to agree with bob here. The roots are def suffering from rot because of the temps. You need to do something about this before flower or you will see some damage. If the temps are constant 90's what is it like at night? Also you could either invest in a chiller because it will pay off. Or you should do as bob says and take one of those bulbs out for a while. What is you ventilation like? Do you have many fans in the room? If you dont that is a must. you should have a bunch of fans around and atleast one blowing on and in your res. It will cool it down a little. And STOP using the aquarium stuff. It might be "safe" for plants but is not "good" for them and you dont want that stuff in your girls. I know you said you use piranha but there are two methods you could try to help out. you can add a tsp spoon of h2o2 to every gallon in the res and stop with everything but the floraseries OR you could try Hygrozyme and/or GH Subculture. Both will help but it has to be one or the other. You cant do both because of the fact the h2o2 kills the beneficial bacteria. Other then the root issue everything looks good and you should keep it up! With just a couple minor adjustments, things will be much better. good luck

Thanks Hydrokronics and Bongrippnbob I really do appreciate the advice so don’t take this the wrong way.

First of all look at the pics in my original post. The spindly plant pic was three weeks ago after transplant into the DWC system. As you can see the plant is growing just fine. If you’re trying to tell me that it would be even bigger if it was cooler in my room and res then I might have to consider cooling my room down a bit.



Second…The roots are brown due to the nutes staining them. You are right as to the white roots and there are some but the roots are stained. I did back off on the nutes a bit. I was putting a pre-made refill solution into my res but it seems that with the high heat I lose more water that what might be normal. I now add two parts water and one part refill solution to my res and the PPM is down to 1770. But again all the plants are healthy and looking good at this point.

As for the K deficiency, I looked up a plant disease thread on another site and the pics under the K deficiency were a dead ringer for what I had…added some micro nutes and bingo…nice green leaves ever since.



The aquarium stuff is a pretreatment as this is a re-circulating DWC system. I don’t change the water or nutes but add what has been used by the plants when I add refill solution to my res. How do I know what has been used by my plants you ask…Read this and I am basing my grow on it.



spscc.org

§ Nutrient Management in Recirculating Hydroponic Culture
Bruce Bugbee
Presented at the South Pacific Soil-less Culture Conference
Feb 11, 2003 in Palmerston North, New Zealand

The water treatment is a (hopefully) one time thing and should not have to be used again. But I must ask you…What do you think is wrong with adding it to the water and what do you base it on. The aquarium treatment is safe and I could have safely drank the water before I added nutes to it. So I’m not quite sure as to why you wouldn’t want to do what ever you could to stop algae growth. As I mentioned in my original post the top surface of the hydroton in the pots is where you will usually find algae growth and then it moves deeper into the system.

I know conventional wisdom is lacking from my grow but it is what it is and so far I see no reason to change.

I would like it a little bit cooler in the room just because the ideal temp for my plant is 88degrees. I picked the genetics specifically because I live in a hot climate and I wanted to try a Sativa.



I would also agree that there is a bit of tip burn and I have moved up my light a bit. The bulbs are a 1000w Agrosun Gold MH and a 1000w Eye Hortilux Super HPS. The girls are about 12 to 16 inches high and are pretty bushy with lots of colas due to topping. Some of the colas are going to be clones in about 21 days.

Do you really think my buds are going to be F’D up due to the heat? Again…I’m a newb and don’t know shit so I am keeping an open mind on this. I will keep you posted as to the progress and will keep my eyes on the girls. I’m putting them into flower tonight.

I hope I don't come off as an ass hole I really do appreciate your advice.

I just wanted to show the growzilla and its venting. It's vented by it's self. I mean it gets it's own air. I do think I need to vent the room a little better.

You should df change out that 4inch ducting for 6inch. it will make a large difference. Also the knodes that are tops is new growth not colas. colas are top buds. And no you dont sound like an asshole but you def should just stop using the aquarium shit. dont you think if it orked wll there would be a bunch of people on here saying "YEA they are great" but thats not the case. they ad unnessary chemicals to your plants which you will later on consume. If you are really concerned about "pre-treatment" then check out subculture. it will help you will high temps. And I dont mean to be an asshole when i say this but those root are hurting! even if they are stained, they are not healthy. the plants look good but the roots dont. You might want to look into putting as much air as you Possibly can into your res. If this mean getting a new pump then do it.

Yes, if you dont do something about mid 90's temps there will be a problem. Also you should get more fans asap. You should blow one right on your res. Evaporation will happen faster so you will need to top off more often. I hope i can help by giving you tips that i was givin when i was in the same situation as you are. Just keep it going and good luck