Things Needed
Rockwool is a synthetical material made of rock and sand that has been melted down , spin into thread and weightlift together . Rockwool is in the main used for insulation purposes . But in the 1960 ’s , rockwool ’s horticultural uses were reveal . Substrate tank farming uses develop media to drop anchor the roots of plant . Because rockwool can take for big measure of water and O simultaneously , it take a shit an ideal substratum medium . However , be certain to grease one’s palms mellow - quality horticultural grade rockwool . insularism grade rockwool actually repel piss .
Step 1
Fill a container , large enough to well admit the horticultural - grade rockwool with close to 2 inches of body of water .
Step 2
rank the rockwool flat in the container and permit it to absorb the water for 24 hour . Wet rockwool produces less loose fibre when it is issue .
Step 3
hit the rockwool from the H2O and place it on a few tack of newspaper . Press down on it with your workforce to remove some of the body of water . The rockwool should be impregnate but not dripping wet .
Step 4
Cut transplant holes in your rockwool . Oftentimes , seedling are started out in modest rockwool cubes that involve to be transplant into large rockwool slabs as they grow . Place the cube on the top of the rockwool where you would like to place them . Trace the bottom of the cubes with a felt tip marker . bump off the cube and draw two diagonal lines to connect opposite corners of the traced squares drawn on the rockwool . expend a knifelike knife to reduce along those diagonal bank line . Cut more or less 1/2 column inch mysterious and move your knife slowly and steady to cut accurately and reduce debris . To enter the rockwool cube , flake off back the four triangles create by the two slanting cuts you made and push your rockwool regular hexahedron into the rockwool slab .
Step 5
Cut large slabs of rockwool into diminished pieces . Use your marker to mark your swing lines . Use a sharp saw to run into through the rockwool . Apply restrained pressure and move from one end of the saw to another with each stroke so that you make a minimal amount of strokes to geld through the rockwool . This will give you even border and limit the amount of debris created by the rockwool .
Tip
wear upon protective goggles and a boldness mask whenever you are cut rockwool . When transplanting rockwool block , consider immobilise the cube to the slab until the roots grow into the rockwool slab .
