wayne fajkus wrote:Have you checked ph of rainwater separate from what is in the storage tank?
It does not sound alarming to me. I would not drain it considering it is only being used for laundry. I don't have the benefit of the rain you have though. It could be weeks for another rain. That plays a factor.
Eric Hanson wrote:Andy,
I suppose that if alkalinity were a problem you could add just a little vinegar and check the ph again. Is alkaline water going to be a problem? Rainwater is naturally slightly acidic, so if the problem is caused by baking soda, the problem may resolve itself over time.
Please, let me know your thoughts,
Mandy Launchbury-Rainey wrote:Please be carefull and remember that pH of 10 is 1000 times more alkaline than neutral.
Ben Zumeta wrote:run it through a bunch of woodchips or biochar and see if it comes through safe for irrigation.