I have had 4 brews under my belt so far and all four have yielded between a 1.025 and 1.03 FG. Three were all grain IPA and the first was an extract amber ale. I used liquid yeast smack pack for the IPAs and safale dry for the extract. Hit my OG every time, used yeast nutrient, fermented at around 67-72 degrees, tried converted fish pump for oxygenation (ended up being my worst attenuation of all 4), used Amalyse Enzyme for 2 our of 3 all grain brews. What is happening!! Why can’t I hit my FG or even get below a 1.025?!?