DTW coco grower.
1. Ph drop test kit is cheaper and easier to use than meter. After a year of using a meter. Its tricky to get just below gold/yellow, 6.0 ph. Hard to determine what shade orange it is if you want to drift from 5.5 to 6.5. Will take practice.
2. Aerocloners with aquarium heater 72-75F water temp will root clones real well, IME better than root riot plugs. So I get enjoy all benefits of cloning.
3. Bud trimmers save sooo much time and do what was complimented as better job than hand trimming. Can trim a pound in a couple hours with ease. Trimming by hand gots to be horrible for them.
Really a list of three tools that made me a better/happier grower.