A flush is something like 10-20 times the volume of the pot. SO you would need to flush it more. I wouldn't worry about getting it right down. Get it to mid 6s and relax. What comes out is not accurate due to the fact coco contains lots of K and will hold on to Calcium so your PH will be different. When you have it roughly where you want make sure you use nutrients on the last watering so your coco has food in it.Hey.i am flushing at the moment. I start with first one.i am flushing with water 5.6 .at the moment i used 10 l and still i have run off 6.9, before 7.3 (
coo coo puffs is a kids cereal and they have a big advertisging campain many years ago,, i am showing my age again, ,hahahaA flush is something like 10-20 times the volume of the pot. SO you would need to flush it more. I wouldn't worry about getting it right down. Get it to mid 6s and relax. What comes out is not accurate due to the fact coco contains lots of K and will hold on to Calcium so your PH will be different. When you have it roughly where you want make sure you use nutrients on the last watering so your coco has food in it.
I guess id have to be from the USA to get that reference Tim