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Adjusting PH in soil

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  • Unlike soil, the soil-less doesn't retain the nutrients and remains neutral. So the PH of the medium is really a moot point. I also throw away the medium in between grows and start with fresh everytim

  • Mr Meeseeks
    Mr Meeseeks

    I let it dry our thoroughly and break it down to take most of the root material out before reuse.    I think about three runs is the max I'll get out of it but the plants are thriving on thi

  • SamuiGrower
    SamuiGrower

    Lots of misinformation here on the subject.  Do not use vinegar for pH down and do not use baking soda for pH up. Acetic acid has very weak bonds and its effects are extremely temporary. Baking soda

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GH pH up and pH down can readily be made with Potassium Hydroxide and Phosphoric acid respectively. Both can be easily purchased in Thailand. If there is any interest, I will post the mixing instructions/amounts.

On 2/3/2023 at 9:54 PM, rice555 said:

I use WV for a bug spray, but, keep strong sublation off the plant.

I bought sulphur at a chem supply downtown. There's pic of a box of cali from

the Co. in BKK that sales all sorts of chem's on a Masa thread on the food Forum with the P/N. They will EMS their products.

rice555 

I stopped at the shop in Korat that I bought my sulfur a few days back, The pic is

the name of the chem Co. in BKK. The phone #, 081-944752.

You may need to speak Thai to order.1451903120_ChemCoBKK.thumb.jpg.215acb22512cc0aa9019419afec21d1f.jpg

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