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  1. B

    Unstable pH

    Thanks all. I’d “like” you’re replies but it i don’t see the option. Anyway I use ocean forest too, and as for success, I’ve done well with new plants and clones from mothers I’ve raised. It’s just the germination part I struggle with. Off to buy a new type of ph down
  2. B

    Unstable pH

    For years I’ve used food grade citric acid to lower pH as my water source approaches 9.0. After some reading and testing I see that this is unstable - within hours of dropping it to 6.5 or so it goes right back to 9.0. I can inagine that such a short stability window causes problems even if...
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