Can't use high ppm

[MumenRyder]

@splinter7

the way it works now i can’t overwater and watering every 3 days never underwaters.

In general coco holds more water than perlite so if you keep everything else the same I don’t think you’d need to water more frequently.

Holding more water will also help keep EC stable and coco + perlite together holds plenty of air.

@splinter7

but a few weeks of 600 or so and they are burnt too. this means I am feeding less than 300 ppm added nutes most of the time. I get N tox, super green plants, burns, lockouts

This is literally the exact problem I was having when I switched from 6 inch rockwool cubes to little 4 inchers:

Mumen Ryder's Mini Tents

Update on the c99 tent: The small 4 inch rockwool cubes are hard to water frequently enough to keep salt from building up because they dry out so fast. I’m actually only watering with 350ppm in mid flower… 100 of that is from my tap. Run off is usually 500ppm and steady, though every week or so I still have to flush each cube with 250ml tap water and a cleansing agent. RainDrip drippers suck. They are all so inconsistent in how much they drip. I switched to woodpecker drippers and these are …

I continued to have the problem until I switched to flood and drain where I could keep the cubes at a stable moisture content by flooding super frequently.

I still had some issues with that, and eventually switched to flood and drain with coco/perlite and that was easy sailing.

All of this played out over the course of 1-2 years in my journal.

I would think a 2 gallon hempy that is 50% coco would ultimately be a pretty solid way to grow if you want to wait up to 3 full days between watering.

I’d be interested to hear what @vernal thinks you should use for your medium and at what ratio if you are planning to water every 3 days in a 2 gallon hempy. He is an expert hempy bucket grower and I believe he uses 100% perlite with more frequent watering.