Yup, you guys are on the right track.
Mono PK has an NPK of 0-52-34 so when you see these mega expensive bloom booster powders like Monster Bloom and Ton O Bud that say 0-50-30 on them they are just mono PK powder. Last time I looked a 500g tub of Ton of Bud was over 80 quid, I can buy a 25 kilo sack of Krista MKP brand mono PK for 34 quid at my local farmer supply store.
The way to use mono PK with a Haze hybrid is at week 8 you stop feeding any other nutes and just give the mono PK until you start the flush, you'll be amazed how this packs on the bud mass and you get really hard dense buds. It's total bullshit that you need all these fancy brands to grow amazing bud, the nute companies deliberately confuse and mislead people and conceal this kind of info imho. If you like to use some supplements like molasses, humic/fulvic acid and silica, you still feed those along with the mono PK, you are just switching from using your base bloom nute to using mono PK at week 8, this means you are cutting out all N and this makes the buds grow like mad and pack on weight and density and makes the plants finish in 12 weeks as giving N to a Haze hybrid in late flower prolongs the flower time.
Take a look at this thread on icmag, it showcases the A5, C5 and other Haze cuts being grown in the manner I describe above:
http://www.icmag.com/ic//showthread.php?t=53531&page=1
Sadly the pics Zeno posted in that thread of the amazing huge A5 and C5 buds are gone but here is a description by Machaze when he saw the grow:
Last week-end, I received a phone call from the old guy, if I want to see his babies in the last week of flush...
So yesterday, I went there with not so much expectation but
I had a nice cup of coffee (always need one) and he showed me some nice buds of the Mexican Haze ( Mexican Sativa x A5 ), and the smell was deep, some carrot/mango with a strong haze taste. Rolling the joint was a pleasure, smoking it was a highway to heaven...
Then we entered his growroom with giant trees, they are like 1,8-2m high, even measurements are written on the walls, so it was easy to know... The buds are so big, never saw that in my whole growing live, not even with thousands of watts and he uses 600w per square meters, with his lights about 1m higher than his plants... I had to squeeze some very hard buds, not fluffy at all, and some nice smells came out... The top buds are like giant 1m buds with about 30 cm diameter... Each plant was easely 200/300gr depending the strain, and with 4 on a square meter...
This is what Zeno said about how to grow these Hazes, he says the same as I was explaining, you cut out the N at week 8 and just give the mono PK powder:
the trick is to lower youre n in the 8th week of flowering.every week with 25% only with this formula you can get a bud as hard like a stone.
You can pull huge crops using this method, this is what the old guy down south told MacHaze:
as the old guy told me, it is very tricky to grow those sativa, and with the time and experience, you can have an average of 1,7gr per watt and I think the record was 2,2gr per watt with the C5. But for now, I am starting with those strains and nutes, so as a first timer I would not dream to get that yield, but I will try
Thos numbers are achieved with 600w per square metre with the lights screwed to the ceiling high above the plants, 4 plants per metre flowered for 12 weeks and fed hard as the A5 and C5 like to be fed hard, the key is the use of the mono PK from week 8 in order to cut out the N.
MacHaze explains this quite well:
As Zeno told and explained in the shedule, the amount of N will be decreased, starting in week 8 with 25% each week, but with having a higher amount of P & K instead to keep the same Ec values. So the last feeding is done only with P & K, then flushing untill it is ready...
I have tested it on other strains, but as you I never weighted my plants as I prefer to dry them complete with leaves and branches. The good thing is, that the bud structure is more compact, and hard solid, instead of being fluffy as it is mostly the case with hazes. The bag appeal is more tasty, and you have more weight on your buds.
Haifa Chemicals is an excellent brand, highly recommended by many old experienced folks I know, they use top quality salts and chelates, their products are actually higher quality than brands like Advanced Nutrients, Grotek and Canna, just they come in powdered form in a sack instead of a fancy bottle.
Hope that helps, pleased you found my post on breedbay about mono PK, it shows I'm not making this stuff up as I go along and am consistent in what I say over the years! lol
Please post a grow diary when you run the Hazes Chana, then we can guide you along and help you to grow some huge Haze buds that will blow your mind.
Damn, all this talk of growing Hazes has me wanting to run them myself now. I have some SSH vegging and a couple of them just about to show sex in 12/12 so that will have to do for now. One day I would love to get hold of the A5 and C5, I bet I can pull a half kilo under a 400 with them and there is no finer smoke than those cuts done well.