well like i said,i can't actually say for sure the lemon juice is changing the taste,i've never grown without the lemon juice as the water i use has a ph of 7.4,though everyone who's ever tried any has said it has a citris flavour to it,and my plants have never tasted anything like the weed i found the seeds in,which makes me think it must be the concentrated lemon juice that's 'flavouring' it