Whats the viscosity like? What was the starting materials age? High terp or low terp or unknown? How much residual tane, did you recover your collection pot to vacuum levels and if so how low?
Try to determine if you are undersaturated, supersaturated or getting to the amorphous/glass transition.
Is your solutions solvent terp or tane dominant.
How stable are your temps and what is the temp range?
If you get tiny grains"sugar" or jelly or some slight sugaring then stalling cause its thickening, your solution is in the supersat / amorphous area of the curve. In this case, usually, to get larger/more growth you would need to decrease your saturation levels which mean increasing your solvent amount OR increasing your solutions solubility with temperature manipulation, aka warm your solution.
There is a large range of possibilites required, some of my varieties need to be heated to 120-130 to get results like ive posted, others require temps below freezing before they get into the supersaturated or meta stable zones.
What a miner allows one to do is manipulate the amount of below room temp boiling point solvents. This is primarily a advantage if your starting material is lacking in natural solvent(terps). In the case of my varieties that I take to 120+ degree’s, If I had a miner I would be able to add butane to my solution to lower its solubility vs raising the temps.
Another important factor is the solutions vessel size, headspace, and surface area to volume. Thinner solutions have less freedom for molecular movement, basically meaning they’d be more prone to precipitate vs larger singles.
Look just as much into “why” as we do “how” will benefit anyone who wants to grow crystals.