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Overview
Growing manual
Table of contents
01. Overview
02. Genetics and the plant
03. Indoors & outdoors
04. Planting indoors
05. Shelf growing
06. Light
07. Sea of green
08. Germination
09. Vegetative growth
10. Flowering
11. Hydroponics
12. Recycling
13. Guerrilla gardening
14. Soil growing
15. Security
16. Plant food and nutrients
17. Ph and fertilizers
18. Folair feeding
19. Venting
20. Temperature
21. Pests
22. Transplanting
23. Early sexing
24. Regeneration
25. Pruning
26. Harvesting and drying
27. Cloning
28. Breeding
29. Sinsemillia
30. Sinse seeds
31. Odors and negative ions
32. Oxygen
33. Safety and privacy
34. Distilled water
35. Birth control pills
36. Seed and bud storage
37. A final comment
PH AND FERTILIZERS

Cannabis Marijuana seeds Growing Guide

PH can make or break your nutrient solution. 6.7-6.2 is best to ensure there is no nutrient lock-up occurring. Hydroponics requires the solution to be PH corrected for the medium before exposing to the plants. Phosphoresic acid can make the PH go down; lime or potash can take it up when it gets too acid. Buy a PH meter for $10 and use it in soil, water, and hydroponic medium to make sure your not going alkaline or acid over time. Most neutral mediums can use a little vinegar to make them just this side of 7 ph to 6.5 or so.

Most fertilizers cause a ph change in the soil. Adding fertilizer to the soil almost always results in a more acidic ph.

As time goes on, the amount of salts produced by the breakdown of fertilizers in the soil causes the soil to become increasingly acidic and eventually the concentration of these salts in the soil will stunt the plant and cause browning out of the foliage. Also, as the plant gets older its roots become less effective in bringing food to the leaves. To avoid the accumulation of these salts in your soil and to ensure that your plant is getting all of the food it needs you can begin leaf feeding your plant at the age of about 1.5 months. Dissolve the fertilizer in worm water and spray the mixture directly onto the foliage. The leaves absorb the fertilizer into their veins. If you want to continue to put fertilizer into the soil as well as leaf feeding, be sure not to overdose your plants.