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“One very technically-qualified country decided to replace all of its rockwool-insulation with fiberglass, while another just-as-technical regulator decided to replace its fiberglass with rockwool!”
“The interior walls are plasterboard on top of chipboard on top of rockwool, and the floor is raised off the concrete floor of the original garage, too.”
“Formaldehyde is widely used in resins that bind wood products, pulp and paper; in glasswool and rockwool insulation; in plastics and coatings, textile finishing, chemical manufacture; and as a disinfectant and preservative.”
“· Insulation: usually 5 to 10 cm thick, between wall and lining to retain the heat in the kiln, especially around the calcining zone; different insulations are possible (eg air-gap, rice husk ash or other pozzolana, light-weight aggregate, rockwool).”
“If you come across any bright yellow rockwool-like fluff, leave it.”
“Seeds are in rockwool cubes starting with 1. 5in then moving up to 4in cubes.”
“I've learnt about the nitrogen, phosphorus and potassium proportions of farmyard manure, as well as four different ways to take leaf cuttings, the components of John Innes composts and that rockwool is made not from sheep's wool, but from heated-up basalt.”
“A thin layer of rockwool felt should work well for you.”
“Sandwich the rockwool between two layers of landscape fabric or drain sleeve fabric.”
“If you used rockwool, your seeds are viable, and you followed these instructions correctly, your odds of successful marijuana seed germination should be close to 100%.”
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