Forget Barneys Farm. IMHO they went to crap years ago, especially when they went to all feminized seeds, and then started selling regulars again. JUNK.
Ive got a 10+ year old cut of their original G13 x Haze, and tried both their fem G13 x Haze, and their new version. Both were crap, and didnt resemble the original line. The fems were super crap. Barneys used to be a great company. I used to highly recommend them, but not anymore.
Also as far as bloom boosters like Monopotassium Phosphate, in an 8 weeks flowering strain, they should only be used from around 2.5-3 weeks after flip until week 4. Then they should be stopped. Bloom Boosters as supposed to enhance bud set. After that its useless.
Also Im not familiar with your nutrients, but if youre cutting out, or reducing Nitrogen, thats also a mistake. They need ever increasing amounts of all nutrients from seedling- flowering.
Also for an 8 weeks strain you need to cut back on all fertilizers starting in weeks 7 and 8.
Epsom Salts is also another vital nutrient, especially in weeks 5-6. Though its needed throught all stages of development. Epsom salts contains Sulfur, which is supposed to be a stimulant for Terpene production.
For chemical fertilizer, I use Calcium Nitrate/15.5-0-0 as my Nitrogen, and Calcium source, and use Epsom Salts for my Magnesium/Sulfur source. I dont use cal/mag.
Also forget the amino acid supplementation. If they get nitrogen they are getting amino acids. Nitrogen to a plant, is like Protein to a human. Protein is made up of 8-9 essential amino acids if its a complete protein.
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For a killer Sativa look into Sannies Killing Fields F6
Its not for light weights, and is a huge producer. Stretches like a mofo after flip, and doesnt require a long veg time because of the stretch.
It also finishes when the breeder says it does. 10-11 weeks. This breeder is also in Europe.
Id use 5 gallon containers minimum.
Also just keep it simple. Give them a good base nutrient. Maybe give them a bloom booster in weeks 3-4, and just let them grow. Forget all the fancy stuff. Its just a scam to get your money.
Also do not flush plants.
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