Ph Question For My Seedlings

Dil

Active Member
was just wondering if any of you guys test the ph of the water for the seedlings mine are at a day old and i have been watering with ph 7 rain water dont know if this is right as its my first plant lol or do i need to go a bit more acidic like 6.5
 
i use ro water and i do not start adjusting the ph until i start feeding which is when i see the cotyledon (small seedling leaves) turn yellow or fall off.
 
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