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OldOne's 3rd cab run - almost same as 2nd, but better :)
- Thread starter oldone
- Start date
Yes, especially after reading the thread!! I'm fully immersed in Hempy land at the moment but I've had some good ideas for wicky stuff
Might get onto it after the rainy season. Happy grows 
oldone
Member
Interesting....
So as threatened earlier, I took 1.5 liters of solution from my ppk rez and used it to flush my ppk. I started with EC 1.5 and 10 minutes after the flush I measure 1.9ish EC.
So I'm getting a little salt accumulation but not much. This is in week 5 of flower.
During run 2 I flushed with 4 liters of plain RO and got 3.6 during week 8 of flower.
I must conclude that my pulse feed is working but needs improvement.
OO
So as threatened earlier, I took 1.5 liters of solution from my ppk rez and used it to flush my ppk. I started with EC 1.5 and 10 minutes after the flush I measure 1.9ish EC.
So I'm getting a little salt accumulation but not much. This is in week 5 of flower.
During run 2 I flushed with 4 liters of plain RO and got 3.6 during week 8 of flower.
I must conclude that my pulse feed is working but needs improvement.
OO
not much at all, some people water with 1.9 (these are the same people that are force to flush often)
I'd say lower the feed solution buy some magic number that you think is right (think turning a big ship, don't over react!). Then repeat the test in a week.
What you really need is a way to collect data on the EC so you can see the rate of change through the whole plants grow cycle, then use that as feedback to derive your correction number.
Right now you know it is building salt you but it seems you dont' know at what rate. Once you get the rate (by simply logging the runoff EC periodically) then you can watch it change based on your changes to input EC.
I think the system can let you dial it in to the point where the input solutin is close to the balance of salt and water that the plant actually uses. This number may also change as the plant matures which makes it like hitting a moving target, but tracking this stuff will allow for smaller corrections.
oldone
Member
Hi jjfoo,
You're quite right, I could take enough EC readings to establish exactly what is going on and adjust accordingly.
However my goal is to utilize the pulse feed system as a mini flush to prevent buildup from occurring in the first place. For now I'll just use the weekly hand flush.
Thanks for stopping by,
OO
You're quite right, I could take enough EC readings to establish exactly what is going on and adjust accordingly.
However my goal is to utilize the pulse feed system as a mini flush to prevent buildup from occurring in the first place. For now I'll just use the weekly hand flush.
Thanks for stopping by,
OO
maybe put a T on it, and one end feeds back to the rez, hopefully should drain about 50% of that back instead of giving to girl... good luck
oldone
Member
Of course my young padawan...Worried? I dont think so. I might be concerned that the algae could mess with my Ph, but I don know if it does or not. I have algae in my pulse feed tubes but Medusa doesnt seem to care.
You must have read all of the "...I'm bored..." comments and its true. This is the easiest way to grow bar none. Literally all I do is top up the bulk rez, trim leaves and watch. There's no uncertanty, no worries. I can go away for a week with no trouble and when I get back she's just bigger.
Like it? I love it.
I'll post pics later just to give myself something to do.
see ya,
OO
So... all I have to do to get pics is not log in for a month.
Got it.
Looking good, oldone...
Got it.
Looking good, oldone...
Hey OO, could you please explain what a pulse feed is? It's the only thing I don't really get about all this. Take care.
Ninja,
"Pulse Feeds" are a timed quantity of solution dosed to the top of the plant. More quantity with less time than a drip system. Various gardeners are using various doses, ranging from a few ounces of solution every sixty minutes, to twelve ounces every two hours. This solution is applied as a sudden burst, rather than a gentle trickle. ('Sudden burst' may be an exaggeration, as some gardeners use 1/4 drip line to apply the suddenness.)
It is intended to manage moisture content/profile within the media, and encourage an exchange of gasses within the root zone. Additionally, it helps to control the tendency of salts to build up in the upper portion of the media as evaporation takes place by redissolving them an moving them back down into the root zone.
It is good.
"Pulse Feeds" are a timed quantity of solution dosed to the top of the plant. More quantity with less time than a drip system. Various gardeners are using various doses, ranging from a few ounces of solution every sixty minutes, to twelve ounces every two hours. This solution is applied as a sudden burst, rather than a gentle trickle. ('Sudden burst' may be an exaggeration, as some gardeners use 1/4 drip line to apply the suddenness.)
It is intended to manage moisture content/profile within the media, and encourage an exchange of gasses within the root zone. Additionally, it helps to control the tendency of salts to build up in the upper portion of the media as evaporation takes place by redissolving them an moving them back down into the root zone.
It is good.
Cool, thanks man. So everyone is doing this pulse feeding pretty much? Kind of sucks because it was the totally passive nature which drew me in. Guess it makes sense to do it though.
OOs last run didn't use pulse at first, and he had some salt build up...
It is an active system for two minutes a day. If the pump fails, the PPK will still support life indefinitely. My pump cycling was totally unnoticeable and inexpensive. I guess the timer was super expensive, but I already had it laying around.
It is an active system for two minutes a day. If the pump fails, the PPK will still support life indefinitely. My pump cycling was totally unnoticeable and inexpensive. I guess the timer was super expensive, but I already had it laying around.
oldone
Member
Howdy boys,
Scrub, it can be totally passive if you can do a manual flush (with regular nutes) once a week or so. As IF said I didnt pulse feed for my second run and after about 10 weeks flower/veg I had a buildup problem.
I decided to use a timed pulse because A; I had the parts laying around and B: Its very hard for me to physically do the manual flush.
see ya,
OO
Scrub, it can be totally passive if you can do a manual flush (with regular nutes) once a week or so. As IF said I didnt pulse feed for my second run and after about 10 weeks flower/veg I had a buildup problem.
I decided to use a timed pulse because A; I had the parts laying around and B: Its very hard for me to physically do the manual flush.
see ya,
OO
oldone
Member
Day 44 flower
Day 44 flower
Hi guys,
A little update.....
...........Day41........................Day41 defol................Day44.....
Bud shot;
Well, more adventures. I discovered that when I did the flush test on the 8th I did not reset the pulse timer. So she went without a flush for 10 days. I noticed a slight tip burn happening on day 41 and investigated. I did an immediate flush with ppk nutes which are running steady at 1.5 EC.
Ive also added 2 more pulse events so she's getting a total of 3 a day.
So I'm facing my biggest security event of the year. My whole family is coming over for dinner on the 25th. Everyone of them will be literally inches away from my cab and not know it. I'm not worried though....worked out fine last year and I was on E&F then....
Merry Christmas and Best Wishes to all my friends,
OO
Day 44 flower
Hi guys,
A little update.....
...........Day41........................Day41 defol................Day44.....
Bud shot;
Well, more adventures. I discovered that when I did the flush test on the 8th I did not reset the pulse timer. So she went without a flush for 10 days. I noticed a slight tip burn happening on day 41 and investigated. I did an immediate flush with ppk nutes which are running steady at 1.5 EC.
Ive also added 2 more pulse events so she's getting a total of 3 a day.
So I'm facing my biggest security event of the year. My whole family is coming over for dinner on the 25th. Everyone of them will be literally inches away from my cab and not know it. I'm not worried though....worked out fine last year and I was on E&F then....
Merry Christmas and Best Wishes to all my friends,
OO
OO
She looks beautiful.
We are going to have a few people over for new years and the girls are going to be a little smelly by then. I am going to change my filters a couple days before and turn my fan down to low and hope for the best. I am compliant medical grower but really do not want any "real life" friends to know that I grow.
I am only pulse feeding by hand daily and will set up a auto pump system in a couple of weeks when I have a timer available.
Merry Christmas and good luck with your dinner.
Soorc
She looks beautiful.
We are going to have a few people over for new years and the girls are going to be a little smelly by then. I am going to change my filters a couple days before and turn my fan down to low and hope for the best. I am compliant medical grower but really do not want any "real life" friends to know that I grow.
I am only pulse feeding by hand daily and will set up a auto pump system in a couple of weeks when I have a timer available.
Merry Christmas and good luck with your dinner.
Soorc
hazydreams
Active member
the simplicity of this blows my mind.
makes me step back and rethink my methodology a little.
Thumbs up man
looking beautiful!
makes me step back and rethink my methodology a little.
Thumbs up man
looking beautiful!
oldone
Member
mine too...
There's a post of mine on D9's thread (I think) where I basically asked, "...how can it be this simple?..."just like you are. My second run was when I switched over and I kept waiting for something to go wrong. I had an overfert problem that was my own stupidity.
These ppk's are the simplest, most boring way to grow yet discovered.
What I'd really like to see is someone who has all the bells and whistles (HID lights, CO2, etc) try ppks out against the more popular growing styles. I'm betting yields would be comparable...
Anyway, nice talking with you,
OO
