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Well I'm at work right now and can't recall which one was which but one took 8 drops and the other took 12 drops. I have very hard water where I live. Tap has high ph also around 8.2.
But about a month and half ago I took my tank down and switched from gravel to eco fine grade and it was growing good straight leaves before the changeover.
Then I would cut off the new twisted growth and perhaps add another root tab. If you disrupted the roots a lot when you replanted this could have disrupted new growth coming in. Once you cut off the bad growth see if new comes in properly.