Hi I’m having a hard time managing my plant’s ph… it’s pretty acidic at the moment… I’m flushing the plant as we speak but runoff is consistently high and the soil remains stuck around 5 ph… I’m thinking of diluting lime into water and drenching with that to resolve the issue… what do you think?
Dolomite lime top-dressed in to the top inch of soil and watered in is your best bet. You don’t want to shock the plant so got to ease into it a bit.
Are you confident your PH meter is reading accurately?
Reasonably confident… it’s a $30 metre designed for testing ph in compost heaps so I think it should be reasonably ok… might be worth investing in something a bit more reliable
You must have one of the probes you stick in the soil I have never used one, I would suggest look at apera or blue lab to get you a good pH meter. That would be one of your best troubleshooting tools.
When did you calibrate it last? If it is a soil probe type I would not rely on it (unless it’s a Bluelab).
Umm never? I bought it from Bunnings for $30 just ordered a new one from Amazon that looks ok
Are there visible issues with the plant?
Saturated soil will usually read low using a soil PH probe.
Water being used? Tap RO well rain?
Ph of water?
Lighting type and duration?
Initially looks like a phosphorus issue to me from not having enough available in soil and or a soil PH issue
Many times a good flush will help things
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