The Official Canna Coco & Nutrients Thread

[ItsJustMe84]

Thanks for the replies, yeah I wanted to order a TDS pen at the time I ordered the PH pen but was a bit skint, should be able to order one in the morning tho. Have just done the 7 ml to a gallon today and gave them a first feed, figured after 2 weeks in coco they probably now need some, then hopefully by the time I need to water again I will have the use of both pens.

Am also a little concerned about the temps inside the tent as it's been very cold here for the last few days and clearly not going to get much better over the winter. Am using 300w led and it's usually around 20c under the canopy, when I turn out the lights tho it drops to around 16c even with my 450kw oil filled radiator going.

I have to use a minimum of 2 x 600w HPS in winter ill be running 3 tonight as its -2 and they keep a nice temp if around 78f... the only way i could to get the heat up a little is a fan heater, i use one when lights are out, i keep it a good few meters away from the plants, and it keeps the humidity down to around 50% which is good when flowering, and keeps the temps at around 18c at night, ive tried oil radiators and they just dont work in winter were i am (uk) the only thing that works is a fan heater, a small 1000w will do, i got mine for £10, im pretty sure if you keep a distance from your plants with a fan infront so it circulates the warm air, it'll soon warm things up.

 

[skullonastick]

I couldn't afford to run much more at the minute, bit of a crap year jobwise and currently between jobs, hence the decision to start growing my own. The fan heater is probably a good idea but I only have a 1.2m x 1.2m tent, I say 'only', the thing takes up half the spare room so not sure if that would be enough room. Humidity doesn't seem too bad in there right now, around 65%, was considering a cheapish dehumidifier but think I'll take a look at some fan heaters.

 

[ItsJustMe84]

I couldn't afford to run much more at the minute, bit of a crap year jobwise and currently between jobs, hence the decision to start growing my own. The fan heater is probably a good idea but I only have a 1.2m x 1.2m tent, I say 'only', the thing takes up half the spare room so not sure if that would be enough room. Humidity doesn't seem too bad in there right now, around 65%, was considering a cheapish dehumidifier but think I'll take a look at some fan heaters.

Obviously it all depends on your set up, i dont have a tent i have an attic split into 2 compartments, so i can have the fan heater quiet away from the plants so its just heating the room in general, i will say though they cost abit to run, but in the winter my humidity can hit 90% with the lights off, my dehumidifer bearly knocks it below 70%, which is fine if your in veg, i prefer high humidity in veg but in flower the only thing that worked controlling both the cold temps and humidity was a small fab heater... or any kind of appliance that blows warm air around... Good Luck with your grow anyway hope all goes well. Peace..

 

[skullonastick]

Ok, so I now have my PH pen and TDS pen but not a great deal of knowledge of what to do with them now, been trying to suss it from various videos online but they mostly seem just to ramble on in a way I don't understand.

From what I have gathered thus far, I need to mix the water and nutes, then using the EH meter and PH up/down, get the solution to around 5.8 PH.

The part I can't quite get my head round, is the TDS pen and what to do with it, also struggling to understand the Canna Grow guide, not quite sure if I should be selecting Light/Normal/heavy schedule type or what I would even do with the grow chart once created.

Any help on this would be greatly appreciated.

 

[ItsJustMe84]

Ok, so I now have my PH pen and TDS pen but not a great deal of knowledge of what to do with them now, been trying to suss it from various videos online but they mostly seem just to ramble on in a way I don't understand.

From what I have gathered thus far, I need to mix the water and nutes, then using the EH meter and PH up/down, get the solution to around 5.8 PH.

The part I can't quite get my head round, is the TDS pen and what to do with it, also struggling to understand the Canna Grow guide, not quite sure if I should be selecting Light/Normal/heavy schedule type or what I would even do with the grow chart once created.

Any help on this would be greatly appreciated.

Right first off fill a glass up with water, and check the ph, then do the same with tds meter, and then send me the readings from both.. i think your tds meter should read it by ppm, it should say next to the reading, ppm or ec... so for instance.. ph 7.2.. ppm 110.. once you send me them ill help u start on the grow guide as them 2 readings are vital to begin the chart.

 

[skullonastick]

Right first off fill a glass up with water, and check the ph, then do the same with tds meter, and then send me the readings from both.. i think your tds meter should read it by ppm, it should say next to the reading, ppm or ec... so for instance.. ph 7.2.. ppm 110.. once you send me them ill help u start on the grow guide as them 2 readings are vital to begin the chart.

Great, thanks.. glass of water reads at 7.8 PH and 240ppm

 

[GreenThumbsMcgee]

hey fellow canna users. i am currently running ghost train haze #1, a 12 week strain. its in a 5 gal pot using cyco coco, and canna coco a+b. im just hitting week 3 and am trying to time out when i'll need to hit it with pk 13\14. i've read anywhere from wk 3 to wk 8, and thats pretty wide range.
idk if i should just low dose it thru aprx those weeks, or if i should wait and start at wk 8...most ppls schedules are based on 8-9 week strains so im stumped.

thanks a lot guys

 

[EvlMunkee]

My PK week falls in the 5th week on a 8 weeker and on a 12 weeker usually in the 7th week. It is generally just past halfway in flower.
But more importantly it is a visual cue to start PK. Buds will start to preflower and then enter the puffball stage. Patience is a virtue here. Resist the urge until the buds start to elongate and run together. That is when you apply PK. Like I said usually about 50 - 60% through the schedule.
When you get the timing right you will be amazed. good luck

 

[pink isn't well]

Hi, your thread is great,

Quick question, After using coco canna range RTW last run (a lot of work), I am changing to terra line up.

I am wondering if bottom feeding from garland trays would be suitable for terra/soil line up?
And how deep could I allow the water level in the trays to go if not supplying air? allow dry spells between feeds etc?
Thank you Jamie

I

 

[GreenThumbsMcgee]

i use it for almost 3 weeks...at 4 ml per gallon for the most part...

i start using it a few days after the flowers develop a bunch of pistols and stop when the nugs are finished linking together... by week 6 im done using it.

the plant only needs the pk for around 7-10 days, but to make sure i give it on the exact 7-10 days it is needed, i start early and end late... and canna assured me it wouldnt have any ill side effects...

i still pump it up to 6ml per gallon during the 7 days that i suspect to be the pk sweet spot.

it depends on how long your flower time is also... if you had a 12 week flower time, than you wouldnt want to use it until like week 8 or something like that.

this backs up the reply i got from my 1st post on this thread.
just wanted to elaborate on the concept of feeding early, and ruuning late to ensure hitting the window. jberry says the fine folks over at canna assured him there'd be no ill side effects from doing it that way.
im growing GHOST TRAIN HAZE#1, and most phenos are 11-12 week strains...
but some phonos are more like 9week finish. I just dont wanna miss my window....so my question is, does most agree or disagree about hitting it early, finishing late w\ pk13-14?

 

[Kind Sir]

Im growing organic but want to have a plant in coco just to know how go grow in coco. I was debating on buying cana coco A/B to start with, what else should I grab? Read good things about nitrozyme.

I also read that it can be easier to germ in soil, then go to coco. Whats a good ratio for coco and aeration?

 

[GreenThumbsMcgee]

Im growing organic but want to have a plant in coco just to know how go grow in coco. I was debating on buying cana coco A/B to start with, what else should I grab? Read good things about nitrozyme.

I also read that it can be easier to germ in soil, then go to coco. Whats a good ratio for coco and aeration?

Yep, thats exactly what i did. i started my clone in a 50\50 mix of miracle grow\coco in a solo cup. the MG has enough nutrient in it to carry it thru until you transplant it into its next home...

I use the coco ab, cannazyme, and pk 13\14 in flower (trying to learn how to time that out as you can see from my last posts on here)
i substitute bio-root for the rhizotonic. also I feed a little extra cal mag to my mix.
And I don't use the cannaBoost.
I just switched to canna and coco this grow, and my plant is really liking the treatment for sure. i feed light feedings TWICE a day.
i'm using Cyco coco, its ph buffered, and really clean stuff. my coco\peralite mix is 75\25.
i'm not familiar w\nitrozyme. from what i've read a lot of ppl say, one could get by using JUST the A\B, and the PK13\14, and still have good results.

 

[sky rocket]

I guess we all have our ways of germination. I germinate mine in cup of water to poet towel method to rapid rooters to aero/nft to coco

 

[GreenThumbsMcgee]

I guess we all have our ways of germination. I germinate mine in cup of water to poet towel method to rapid rooters to aero/nft to coco

that works...
thats pretty much what I do if i'm starting from seed. i just go paper towel, to the soil\coco mix, to straight coco\perelite, seems to work well, although i have considered the root riot cubes....

 

[grenadeshower]

Im using r/o water with coco.
Nutes are canna coco a/b, rhizo, pk13/14, and microblast.

I just got some GO CaMag+ because I am having cal problems. I do not have a ppm pen and need to know how many ml/gallon I should use. Also do I need the microblast? I got it because I thought it had cal but it doesnt so ive just been using it half strength. System is drain to waste. Bagseed. Thanks

 

[GreenThumbsMcgee]

Im using r/o water with coco.
Nutes are canna coco a/b, rhizo, pk13/14, and microblast.

I just got some GO CaMag+ because I am having cal problems. I do not have a ppm pen and need to know how many ml/gallon I should use. Also do I need the microblast? I got it because I thought it had cal but it doesnt so ive just been using it half strength. System is drain to waste. Bagseed. Thanks

not familiar with microblast.

id add some cannazym to yr feed. It is important for properly processing dead root material.
and yes, cal mag supplement is almost a must in coco ive found. i stagger my pk13\14 amounts during flower between 2ml and 6ml.between wks aprx4-8 depending on flowering time. when i hit heavy w\the pk13\14 i mirror it with the cal mag. so if i up the pk, i up the cal mag. during veg i usually add only 2ml per gal and it is enough. i do hit it lightly though. the directions suggest2ml\L, but i think thats as a stand alone. there is some cal\mag in the a+ b so 2 ml on average should do. sorry so long winded on response, just more then a yes\no answer.

 

[Skunk Baxter]

This is my first time using coco, and I was wondering what sort of bloom boosters the coco crowd generally uses. I'm doing Albino Rhino in a SOG, 1000w Eye Hortilux, ebb and flow, feeding once or twice a day, third week of flower.

Tap water about 200 PPM out of the faucet (mostly calcium)
Canna Coco A and Coco B at about half strength
Canna PK 13/14 full strength
About a teaspoon of Epsom salts per 10 gallons
Total PPM of about 900
PH floats between 5.7 and 6.4; been letting it run a bit high because I'm dumping too many phosphates in there, and it was binding with calcium to form calcium phosphate (that's why I eliminated Calmag and switched to Epson salts, to help with the magnesium without using too much calcium.)

In addition:

Hygrozyme full strength
Gnatrol, 1/2 teaspoon per gallon one time 5 days ago. Seems to have worked, may use it one more time to be sure. It seemed to be a very mild infestation.

I am in the third week of flower, will be cutting PK 13/14 with next res change.

I'll just post a few picks, but was wondering what other coco growers would suggest to bulk up these buds a bit. Thanks, guys!

 

[erbsta]

Really great thread!
I have been involved in the science and research in the soft fruit growing industry for many years (recently changed career path) and I guess I know a good thing or two about coco. Nice to see some actual horticultralists here. Many forums are full of gas bags who's forum status and bullshit turns them into a demigod grrrr
I've been around forums for years but sporadically due to life's problems and ill health, but for now this looks like a good place to hang my hat and don my slippers
Only thing.... this thread needs to be split up somehow, 109 pages while looking for something specific is a pain in the proverbial!

 

[GreenThumbsMcgee]

This is my first time using coco, and I was wondering what sort of bloom boosters the coco crowd generally uses. I'm doing Albino Rhino in a SOG, 1000w Eye Hortilux, ebb and flow, feeding once or twice a day, third week of flower.

Tap water about 200 PPM out of the faucet (mostly calcium)
Canna Coco A and Coco B at about half strength
Canna PK 13/14 full strength
About a teaspoon of Epsom salts per 10 gallons
Total PPM of about 900
PH floats between 5.7 and 6.4; been letting it run a bit high because I'm dumping too many phosphates in there, and it was binding with calcium to form calcium phosphate (that's why I eliminated Calmag and switched to Epson salts, to help with the magnesium without using too much calcium.)

In addition:

Hygrozyme full strength
Gnatrol, 1/2 teaspoon per gallon one time 5 days ago. Seems to have worked, may use it one more time to be sure. It seemed to be a very mild infestation.

I am in the third week of flower, will be cutting PK 13/14 with next res change.

I'll just post a few picks, but was wondering what other coco growers would suggest to bulk up these buds a bit. Thanks, guys!

i personally dont use any boosters OTHER than the PK. IDK what strain yr running, or how many week strain it is, but i am currently running a 11-12 week strain (sativa run long) so i had to re-arrange their recommended feed schedule to accomodate the strain. I learned that staggaring the times was the most logical approach to making sure you hit the window.
PK is a booster, so really you dont need anything else. not even the Boost they make. Some ppl swear by it, I havent even tried it, so i really dont know for sure how much more it could pull for ya, but i am a firm beleiver of less is more.
so, if your strain is an average 9 week strain like they base the schedule off, i think it says to use it once in week 3...most people start at week three, and hit it to week six at about 4-6 ml per gal.
this is just gathered from the TONS of reading I have done regarding PK 13/14. By the way, i looked at my bottle, and it says "fruit formation booster" right on the front. never noticed that.
good luck

 

[pink isn't well]

Hi green thumbs. Please could you help?

I have been bottom feeding a mix of fems, using coco canna A/B, had some problems recently, perhaps a combo of over watering issues, heat/light. droop, slight necrosis. They'r 25 days since 1st true leaf.

I have got them back to health and am flipping lights in a few days. What I need to know. When bottom feeding, I absolutely loved it, the level and consistency of moisture was great. But I fear that the wilting and slower growth necr. etc could be down to not getting run off? I hope this isnt the case, as I enjoyed it.

I flushed, and gave last feed the standard way 10% from top feeding. Changed the light heith and a few adjustments like trimming the little stuff, improving the circulation. My dilema is, this: is the new growth more likely to be the environment change, or cause i flushed and top fed. Theres some perlite at the bottom of pots. temps hang around 28 - 29C.. light at around 14" (higher now). What medium and nutes can I use which allows bottom feeding?

Thanks Green thumbs, my second grow... it's better than the first btw