I need to figure out a new cloning method that doesn’t involve water or pumps. This just isn’t working for me.
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Aerocloning took me a good long time to figure out how to get it right.
I don't know your system but it looks like it's got a bubbler and a submersible pump from your pic.
In my system the submersible pump gets hot, like really hot, and drove the reservoir temp up to 29.5°C and higer. Even running an on-off cycle wouldn't keep my res cool enough. Lacking any brilliant way to permanently cool it, I just dropped it into a cooling bath by rubbermaid with water about 1/3 to 1/2 up the side of my res. If I keep the cooling bath at 18.5°C, then the res will sit in the Goldie-locks zone day and night.
When cloning I keep a three 2 ltr bottles with about 60% water in the freezer as ice blocks. I switch them out of the bath every 8-12 hours and that keeps my res cooled to a comfy 20°-24°C. Temps historically have been my #2 cause of problems.
Keep everything as clean as possible, I sanitize my chamber every time I put it away and every time I get it out for use. Then keeping the temps in the Goldie-locks zone of 20°-24°C, pH between 5.8 and 6.3 and I use store purchased "drinking" water that reads an EC of approx 0.2, basically RO water. Cut the cutting at a 45° angle with a sterile blade, a quick dip in root-tech before putting in their chamber.
Roots begin to show anywhere between 5-10 days, average is about 6 and ready for soil by day 14 at the latest, usually between 10-13.
The #1 cause of my problems historically other than temperature, making it any more complex than above. Using extra products, enhancers, cloning "foods" all have slowed or prevented root development. Keeping it simple and just having the above things in check and I get a 90%+ strike rate. Once I switch it up or try and get creative, that drops to 60% or less and adds as much as a week to the process.