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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.

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Posted
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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