deptrai Posted March 3, 2023 Share Posted March 3, 2023 Is General Hydroponics pH Up & pH Down not available? Link to comment Share on other sites More sharing options...
SamuiGrower Posted March 6, 2023 Share Posted March 6, 2023 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. 1 Link to comment Share on other sites More sharing options...
rice555 Posted March 11, 2023 Share Posted March 11, 2023 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. 1 Link to comment Share on other sites More sharing options...
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