fellas...emwrgency...doing that test run on mimosa spent bark (no additives) as a coir/casing laying for my tampanesis. i mixed a kilo of bark, sand from the beach and about a quart of lime to balance... View Morefellas...emwrgency...doing that test run on mimosa spent bark (no additives) as a coir/casing laying for my tampanesis. i mixed a kilo of bark, sand from the beach and about a quart of lime to balance PH to the 7.5...got it to about 7.2 . when i pulled out of the 1 hr PC...it was at 6.5....questions. is there such thing as too much lime?also is it okay to add more in a SAB to get it to 7.5 after PCing?or is there a lowerr PH thats fine that will do for the tamps..