Is it possible that you are playing too many low-only hands? If you get 1/4 too much, its possible that it is just because the other guys are playing better scooping hands. Look at your hand selection and make sure that your low hands are either really powerful low hands played in large multiway pots, or that they are hands with high and low features.

If you've got a nut low/nut low draw that is counterfeitable and there is aggressive action before you in a small pot, give it up.