Quote from: Paul__B on Oct 22, 2013, 10:42 pmSo we had better start throwing out all our stainless steel cooking pots then!Only if you're using the pan to electrolyze your food.
So we had better start throwing out all our stainless steel cooking pots then!
I'm only using milliamps and only for a few milliseconds at a time so hopefully I'm not killing anything, but it's a good point that I hadn't considered. Any suggestions for more suitable electrode material?
some thick "wood-less" pencils and scrape of the plastic, graphite conducts electricity and is inert.
Using stainless steel should not leech a toxic amount of chromium into the soil.
I have tried soil moisture sensors before, but not for an extended period of time (in my garden). You seem to be saying that a DC current will cause corrosion over a time, and effect the reading? But AC will not? Reversing the polarity reduceses the corrosion?
Quote from: Simpson_Jr on Oct 23, 2013, 10:56 amsome thick "wood-less" pencils and scrape of the plastic, graphite conducts electricity and is inert.It's very fragile though and hardly likely to survive being shoved into soil. The most promising suggestion I've found so far is a tinned copper wire.
Carbon is another inert option - two rods from old zinc-carbon batteries would work.