How to grow in Coco: Feed schedule

yeah it would be in the 240-290ppm range. When i say add x at ppm x. then always add it to what is there already unless i say different.
 
Hi guys im on 8 th week, where is the problem i followed Cult feeding plan i stooped cal mag in week 4 th. Tap water is 0.150 ec.
 

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Ok what light source you using and whats your environment like. Have you started flushing now? Will give me more info to help answer your question. I can see what it is but need to know whats caused it.
 
Your ec could be a little high for the strain causing a phosphorus lock up. What do you mean by 18-20 a day? What is the breeders recommended finish time? By the look of them id start flushing now and give 7-10days, first one day with 0.6ec base nute with some run off then just switch to plain water.
 
I thoutgh that might be too high but i cut to 1.6 and next day was more rust dots. I meant 18-20 at night, flowering time is 8 weeks. When i was in rdwc i had 2.4 at peak and never had similar problems in this strain.
 
DWC is different to COCO so diff EC strengths apply. Also droppin the EC a day later wont correct what was started earlier. Its not instant, so The spots a ppear a few days or longer after the problem begins. As the plant locks up it steals what it needs from its stores first then the signs of deficiency appear. In coco generally its better to keep the ec at 1.8 or below. Believe it of not stronger feeds dont mean bigger buds. You want to feed the weakest amount possible that gives the strongest results. You can push feeds but it comes with experience and knowing when to push and when to back off. My schedule is a basic guide. I dont follow that guide to the letter, I adapt depending on the environment, strain, flower time. I never grow 8week strains anymore as quality is always sub par to the longer strains and you have to be very specific in what you are doing for the best result. Also remember breeders flower times are based on perfect conditions and rarely finish on time. They also can change seed to seed, especially if they are fem.

Def looks like EC has been high. However buds look fine so start flush and ive min 7 days water after giving a low strength base nute with run off, this will pull excess salts out of the coco and then the water will allow the plant to use up its stored reserves. Plant shouldnt be dark green at harvest, more pale green-yellow leaves.
 
Ok thanks for you knowledge, could you tell me if i would like give less ec in the future time, should i use less base nutrient and always give full pk dosage ?
 
its strsin dependant. Your base is exactly that, its the foundation of the plants nutrient needs. You can use only base nute start to finish and get good results. Feeds are the least important part of the grow. Environment is everything. But to answer your question, err on the side of lighter feeds. Base of 1.4ec (water starting at 0.3). is always good in coco, even with full strength pk it wouldnt get over 1.8. If the plant is really lime green then feed too weak and can bump it up 0.1 or 0.2ec. if its dark green, back off 0.1 or 0.2ec.

Also allow fluctuation with ph. 5.5.-6.2 is ideal.
 
Hey, Cult. Good day to you sir.

There was a part within the thread where you mentioned that it's ok to become a little root bound in coco. am I remembering this right? planning to up pot from 10 liter bags to 30liter bags. what's the min and max size pot you'd go to finish in?
 
Yes you can be a little rootbound but if you are multiple feeds are necessary for the best results. Min and max varies because depends on whether you are growing monsters or doing a see of green style grow.
 
Welcome back Cultivator! Long time no see. You have been missed.
I'm planning on continuing CalMag up until end of 5th week on a couple of the girls this time. I have noticed my SLHs get purpling of the petioles almost immediately after stopping in week 4 (although other strains seem to be OK with this). It has a 67-70 day flower period. Have you noticed any negative reactions in continuing CalMag longer than week 4 of flower?
 
SLHLover said:
Welcome back Cultivator! Long time no see. You have been missed.
I'm planning on continuing CalMag up until end of 5th week on a couple of the girls this time. I have noticed my SLHs get purpling of the petioles almost immediately after stopping in week 4 (although other strains seem to be OK with this). It has a 67-70 day flower period. Have you noticed any negative reactions in continuing CalMag longer than week 4 of flower?
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No nothing of note really. It will elevate Nitrogen but the plants still need N during flower. If plants go really dark green just back off with it. With LED specifically its sometimes necessary to continue with calmag longer.
 
Cultivator said:
No nothing of note really. It will elevate Nitrogen but the plants still need N during flower. If plants go really dark green just back off with it. With LED specifically its sometimes necessary to continue with calmag longer.
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Thank you - I think the girls may need it.

You mentioned to do final flush with half-strength nutes but I wanted to ask you about the composition of those nutes. I feed the three part GHE nutes (no PK boosters until I feed GHE Ripen only for 10 days - then flush). At the end of the 10 day ripen feed should I be flushing with half strength feed consisting only of Ripen - or should I go back to the three part feed @ ~600-650 ec? I am wondering if the nutes in the three part feed have been used up by the end of the 10 day ripen feed, therefore I should feed diluted Ripen to flush? Do you see my logic here? This seems to make sense to me but wanted to ask what you think. Thanks for the support!
 
Cultivator said:
yeah it would be in the 240-290ppm range. When i say add x at ppm x. then always add it to what is there already unless i say different.
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Hi cult glad to see you back on the forum and hope you had a nice Christmas mate! If you was running 1000w gavitas and 1100ppm co2 in a closed room how much stronger would you expect to feed as a starting point in flower? Like if week one says 1.6ec would u start 1.8? Cheers
 
SLHLover said:
Thank you - I think the girls may need it.

You mentioned to do final flush with half-strength nutes but I wanted to ask you about the composition of those nutes. I feed the three part GHE nutes (no PK boosters until I feed GHE Ripen only for 10 days - then flush). At the end of the 10 day ripen feed should I be flushing with half strength feed consisting only of Ripen - or should I go back to the three part feed @ ~600-650 ec? I am wondering if the nutes in the three part feed have been used up by the end of the 10 day ripen feed, therefore I should feed diluted Ripen to flush? Do you see my logic here? This seems to make sense to me but wanted to ask what you think. Thanks for the support!
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I have never used those nutrients. But when i talk about flushing I would drop my feed to around 0.8-1.0ec (400/500ppm) of base nutrient, no bloom boosters. I will feed once or tewice with this mix and allow a little run off. This acts as a magnet to pull away excess salts in the medium, i then switch to plain water for the remainder of the grow. Plain water means exactly that, nothing added at all and no ph adjustment.
 
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