From: Periproct on


"JeffM" <jeffm_(a)email.com> wrote in message
news:05f449aa-89a8-4521-b93f-3ba43260e8f4(a)n20g2000prh.googlegroups.com...
> Periproct wrote:
>>Decided to go 'healthy' and start growing herbs[...]
>>and I know I'll kill them through lack of watering.
>>
> These are useful, cheap, and available off the shelf:
> http://google.com/foogle?q=intitle:Soil-moisture+intitle:meter+OR+intitle:tester&scoring=p&price=between&price1=1

Thanks for the link but the design I was after was quite cunning. IIRC it
measured soil moisture and automatically watered when needed. I think it
also detected when the water reservoir was low and didn't run the pump as
well as switching a heater.
I've not found anything as good in the shops.