i use a resevoir for my plants watering i ph the level to around 6.8 then when i come to test it the next day it has shot up ? why ????? should i just plh as i go ?
i use a resevoir for my plants watering i ph the level to around 6.8 then when i come to test it the next day it has shot up ? why ????? should i just plh as i go ?