Advice: moving from DWC to diff. hydro method. for high temp co2 room. no res chiller

[sub dermal]

well, i think the above currently says it mostly. i've been running water culture for a long time, overgrow days

i've currently got a mix of 5gal and 18gal containers. i don't use res chillers, and have pulled crops with nutrient temps in the mid to high 80s. i've used big air pumps and solid air diffusers though, h2o2 etc to keep things clean. but they've always come through.

i'd like to try a newer method. the current room has a 1k and 600w inline. co2, dwc, a/c and is sealed. i've ordered a dehumidifier so i can run the temps in the upper 80s and still keep the humidity down.

i've got a new batch that i'll be vegging for a few then flowering. wappa, burmese kush, col train, a different blue dream cutting.

i'd like to try these cuts in a system that is not res temp dependent.

so, RDWC buckets are out, obviously...

any suggestions from those experienced with high growth rate techniques? i know i'll be trading stupendous veg speed with a switch to a different method...but i want to explore my options before i start running my room significantly warmer. i really want to max my co2 and sealed room.

thanks

 

[paladin420]

Mornin Sub D.. I guess you could say I'm a fan of ebb & flo. 1 drum of nutes,multiple pots,hydroton. For me it is the most productive way to quickly get meds too my patients.You will not be loosin any veg speed in my experience..Buildin you own or out of the store?

 

[delta9nxs]

hi, please see my thread on the passive plant killer. almost everyone there is a refugee from dwc or undercurrent designs.

Would you like a hydro system that:

does not rely on dissolved oxygen in water to function and will work fine with an anaerobic solution

does not need chillers and is not sensitive to reservoir temperatures

does not need high speed recirculation of water

does not need air pumps

does not use or need ph adjusters or even a ph meter if used with the proper nutrient and water combination

is inexpensive and simple to build and operate

is dead quiet

is extremely reliable and functions unattended for long periods

is extremely conservative of nutrients and water

can be operated with locally available materials for the medium

almost auto grows large plants very reliably

grows plants at high speed. As fast or faster than most conventional hydroponic systems.

i personally have done dwc, rdwc, and bio-buckets as well as flood and drain, nft, etc.

this system is impervious to temperature. no one has ever lost a plant in one.

you are a perfect candidate for this. you have a strong background in hydro and can appreciate the failsafe nature of the ppk.

i have personally grown a 22 oz plant in one.

there is an index by zeke99 in my sig. that and imaginary friend's thread are a good place to start. also linked below.

d9

 

[budshoteyes]

I read as much as I could of delta's thread and gave up on it. The thread swings all over the place!
How many posts are there...thousands and it hasn't been stickied?
Where is there a truely good simple tutorial for the ppk?

Why would rdwc be more Rez temp dependent than DWC ....it should be the opposite?

 

[sub dermal]

a maelstrom of informed and helpful dialogue. oh nose!

a maelstrom of informed and helpful dialogue. oh nose!

Mornin Sub D.. I guess you could say I'm a fan of ebb & flo. 1 drum of nutes,multiple pots,hydroton. For me it is the most productive way to quickly get meds too my patients.You will not be loosin any veg speed in my experience..Buildin you own or out of the store?

g'day to ya paladin shot that off a lil before my day ended, early postin in the am

so what do you run your temps at? i'd like to be able to stay at 90F for a day or two occasionally, upper 80s on the usual.

for my understanding, roots in a aerated medium (not water!) that is very humid will do fine with heat. also, the canopy-floor temp differential should keep any pots 5-6 degrees under canopy...

i mean, fuck, i've been to SE Asia checkin plants growing in 43-45 degrees C (109-115ish F) weather, they obviously have rootzone temps near or above 100F...

see, any res i keep will be in my room, so will be near the air temp. so i assume warm nutrient water being fed to a warm pot of hydroton will be fine....

i have to run out now for errands, but i look forward to checkin out the PPK (although i don't particularly need all those 'set it and forget it' qualities, this is what i do...i invest my time freely. but i'd like to learn about some new method, y not) and talking more with ya.

@budshoteyes
i don't know that i'd say RDWC is *more* res temp dependent, but it's just DWC recirculated from a central reservoir. if you hold to popular habit, then you want that res at a temp (65-70F usually) and will employ a chiller.

i have done fine for years running higher res temps, but i'd like to move to a setup where it's a non issue.
here's some at 83-86F nute temp.



@delta9nxs thanks for the info, i'll check that out later tonight wheni have a minute. cheers

be safe everyone
.sd

 

[ThePizzaMan]

Titan ebb and grow...or Botanicare flood tables.


Dead sexy.

 

[budshoteyes]

I don't think it's possible to get away from temp issues with any hydro system...I could be wrong though!

Beneficial bacteria seems to be the key for biobuckets,hempy,and other bio dependent systems....take a look at bigtoke's sticky. His biobuckets don't use a chiller.

 

[sub dermal]

you can't really get away from temp being an issue, but it's not nearly as narrow line as many think. and it's temp issues in water culture i meant really, where the root zone is submerged in a solution that holds variable amounts of dissolved oxygen depending on its temperature. lower temps it holds more, higher it holds less.

i've just enriched it very quickly to make up for the high temp of my solution. big pumps, big air diffusers...keeping it clean (of bacteria, good or bad) and i've had no root rot.

i'm leaning to trying out a coco grow. maybe a grid of 3gal bags of coco. use h3ad's lucas ratio for coco.

the majority of my clones are in coco and ready to leave quarantine, so i'll probably go get supplies tomorrow...

 

[budshoteyes]

Try the coco and you'll be able to answer your own question by trial and error! It comes down to simplicity as the goal but no matter what method there is always work involved.

Keep us posted as to your results!

 

[stonedar]

I think you are heading down the right path with coco, but people seem to get more production out of smaller container with multiple waterings per day. maybe 1 gallon or even less? I know sounds wrong but seems to work best.

I like coco hempy, but I am lazy and just growing for myself now.