When and how long to start using PK 13-14 in Compost?

[GDP]

I've recently bought some pk 13-14 to use in compost, im at week 3 flower and not sure when to use it! thanks in advance.

 

[steveedg]

the bottle gives you guide lines but everyone you speak to will do it there way some at the onset of buds forming , some at week 5 others at 2 weeks till harvest ,personally i use it from 5th week of flowering for 2-3 weeks depending on the flower period needed

hope this helps but it's just my opinion

 

[ismokepot]

I agree w/ Steve....... one application 3 weeks from finishing.

 

[greenthumb]

i use hesi pk13.14 in coco and start useing it at 4 weeks every feed 1.5ml=5 litres of water- 5 weeks 2.5ml - 6 weeks 4ml -7 weeks 7ml as it says on bottle but thats on a 8 week schedual

 

[heavy hitter]

yeah i use pk 13/14 and id agree with steve

 

[herijuana]

i wanted to ask the same question.. so does it really improve the yield? have you really been able to see the difference? also do you guys use cal mag been readin alot about this also..

 

[rounders02]

I been using it from the Begaining of 12/12 and i can see a big diff. and buds form faster....Got the idea from Zoo.