My lhbs closed about 1yr ago so I buy 50lbs of either pale or pils malt. Luckily I like smash ish mosaic ipa and simple pilsner. If I go to a bigger city with a hbs I'll stop by and maybe get some vienna or munich malt and play with my formula. I usually make 10 lb malt batches so i get 5 brews...
My last 2 ipa brews were grassy as well.1 with a 5oz citra dry hop 1 motueka and 1 centennial. Super grassy. And recently a smash with 2 oz dry hop of mosaic. Grassy but to a lesser degree. I use RO bru'n water and a ph meter (Bru'n water is very accurate). I was dry hopping at the end thinking...