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Topics - steelhead

#1
Cultivation / limestone flour and chalk question??
February 10, 2011, 09:49:48 PM
Just wondering if anyone can help me out ? Can I use food grade chalk in place of limestone flour? I was @ a home brew store and saw 1 kg bags of what they called calcium carbonate and in parenthesis (chalk). Can't seem to find a descent source of limestone flour other than the Fluker's calcium for reptiles which is much more $ than the chalk.
thnx! :rolleyes:
#2
PF - Tek / fc question???
January 09, 2011, 08:03:16 PM
Just new to the mushroom game and had a question about my fc. I am trying to be stealthy about my fruiting and am trying to conceal the chambers in a small closet. The question I have is have, how much room to the top of the fc is required? I understand that some strains will grow larger that others but in general how much "headroom" is needed? Can the tops of the shrooms touch the top of the fc? The fc dimensions are 23x17x12 (50 liters). If I use the suggested amount of perlite (3-5) inches I will only have approx 6 inches to the top of my fc is that too short??? can I use less perlite and just try to maintain propper rh in the Chamber? Any help would be much appreciated. Thanx