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02-22-2006, 06:51 PM #16Senior Member
rockwool germination.
Man I wish I was smoking some too!.....Good news man...the seed has cracked and the bean is keen!!!!
I did some "scientific" tests and "discovered" something most paramount!!!
I'm using a pH testing "kit".....not a digital meter!!
What I was doing wrong was to rinse the small testing vial [ a 1 millilitre flask] with TAP WATER in between Ph tests......My tap water is very hard [Ph 8]...even a few drops of this hard water in the test vial was contaminating my little 1 ml of test solution and raising its pH by 1 degree....and giving me a false reading!!
Therefore the solution I knocked up for the first 3 seeds that failed...was probably around pH 4.5...instead of 5.5....
urika!!
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