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 Basics Germinating | Root Chamber | Rockwool/Sex | Flood/Drain | Drip | Pump | Lights | Shelve Growing | Nutrients | Links

Growing Medium.
SEX
HOME GROWN
GROWING MEDIUM; There are many growing mediums for hydro use. They include Rockwool, Vermiculite, Sand, Gravel, Expanded clay and others. Rockwool is used because it stays together and doesn't pollute the hydro juice. One Rockwool block ( About $A12 - $A30 ) will last for several crops of 6 plants. The Rockwool block is sealed in plastic and is about 700mm. x 300mm. x 100 mm.Cutting the mats Before cutting the mats you need to find the grain of the rockwool (the roots grow with the grain). Cut across the grain with sharp knife several slices ( Mats ) 7mm. to 10mm. thick off the long side(fig.8). Each Rockwool mat is about 700mm. x 80mm. x 8mm. The Rockwool mats are passed through the slots and molded to the inside of the PVC pipe. This should cover the bottom inside half of the root chamber with 7-10mm. of Rockwool mat. Be sure the Rockwool mat extends 50 - 100mm. longer than the slots. Next cut seedling blocks about 50mm. x 50mm. x 50mm.. Then poke a hole about 3mm. diameter from the middle of one side to the center of the block(fig.3). This hole should be large enough to let the seedling freely grow out the top of the seedling block. Make one block for each plant. These small blocks are used to germinate the seedling and support the growing plants.

The Rockwool should be prepared before using by soaking in water for 24 hours and then soak with fresh water for seeds or sprouts and in the root chamber with half strength hydro juice before the seedlings are transplanted.


SEX

Females The pictures show the first sign that a plant is turning female, the hairs are a translucent white and usually appear in pairs from small growth either side of the divisions in the stem, usually in the new growth (near the tips), then the hairs start to grow in the all the centers, sometimes the hairs appear in the centers first. When the plant matures there will be many curly hairs on the heads, colored from off white to orange to brown.

Males start with a small growth/s in the same place as the female but growths are closer to the stem division and appear more as clusters or bunches growing into small ball then they burst spreading a fine pollen .

The Males should be removed before they burst. Males can appear to be unsexed but have a single branch or tip sexually mature especially if its in direct contact with a female.

The male balls shown on the right are on the stem where the 3rd. and 4th branches from the bottom of the plant and did not grow from clusters in new growth as described above, but this is what they look like anyway or bunches of them things, they go a lighter green before they burst it only takes a day or two.

HOME GROWN
 Basics Germinating | Root Chamber | Rockwool/Sex | Flood/Drain | Drip | Pump | Lights | Shelve Growing | Nutrients | Links
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