Looks like bud worm damage. (Caterpillars) Check deep in the buds for them. Often the damaged areas are dry and brittle on the outer parts but there waste could be in there rotting.
:peace:Never remove fan leaves or any healthy leaves!!! These are your solar panels, they provide stored nutrients and energy to make bud. Removing these will only give you less yield and less potency. If leaves are blocking bud sites you may tuck them to the side or use a piece of floral wire...
:peace:Are you growing in soil ? If so use dolomite or agricultural limestone/lime. 2 teaspoons to each gallon of water and water it in from the top of the soil as you normally would. you could see improvement within 4 days or so.
Maybe this will help.......(taken from Mel Frank /Ed Rosenthal book)
When you cut the stem or leaves, you may see the plant's sap momentarily spurt before the wound is plugged. The sap contains primarily the products of photosynthesis, in the form of sucrose (table sugar). Smaller amounts of...
Make sure your soil is muddy wet to very wet (if using potting soil). An easier way is to use rapid rooter plugs or pellets. Here is a good explanation with pics.
https://www.rollitup.org/subcools-old-school-organics/50073-cloning-subcool-redundant-explanation-pictures.html
:peace:
You do not need to replace Co2, only maintain it at optimum ppm.
you will need a co2 controller to keep levels within range otherwise you cannot run a completely sealed room. No need to vent the room at all, plants use the co2 and make oxygen while lights are on and when lights are off they use...
Venting into the sewer line will not work. First of all, every sewer /drainage system has vents that are required for each plumbing fixture. These vent pipes terminate on the roof of your home. Any air blown into the line will simply escape at the closest vent.Not to mention the biggest line in...