Optimal Jr. is 3.5mm diameter. Optimal BG is 4.5mm in diameter. Both Jr and regular BG have the same lengths of pellets in the bag, varying from 1 to 10 mm in length. The % of each pellet size will vary between the Jr and BG food, but the overall length of the pellets is the same.

As for the different sized fish food in each bag, the dia will stay the same the length will vary. What I do and what a lot of clients do is mix 2 different feeds together. I mix Optimal BG along with Optimal Bass in my feeder. One client has 2 feeders on his pond. The one near the bedding area and near the cover for the YOY fish he feeds a mix of Jr and starter feeds, depending on how close (time wise) to the hatch he's feeding. Sway from the spawning area he's feeding a mixture of Optimal BG and Bass food.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).