Optimal Resin & Gravel Levels by Tank Size Home | Optimal Resin & Gravel Levels by Tank Size
The following table provides the optimal amount of resin and gravel underbed required for a water softener system based on the system media tank size.
Tank Size Amount of Resin Gravel Underbed
8" x 35"
0.64 cubic feet
None
8" x 44"
0.75 cubic feet
None
9" x 35"
0.75 cubic feet None
9" x 40"
1.00 cubic feet
None
9" x 48"
1.00 cubic feet None
10" x 35"
1.00 cubic feet None
10" x 40"
1.00 cubic feet None
10" x 44"
1.25 cubic feet
Optional - 16 lbs.
10" x 54"
1.50 cubic feet
Optional - 16 lbs.
12" x 52"
2.00 cubic feet
Optional - 20 lbs.
13" x 54"
2.50 cubic feet
Recommended - 35 lbs.
14" x 65"
3.00 cubic feet
Recommended - 40 lbs.
16" x 65"
4.00 cubic feet
Recommended - 50 lbs.
18" x 65"
5.00 cubic feet
Recommended - 100 lbs.
20" x 62"
6.00 cubic feet
Recommend - 100 lbs. of 1/2 x 1/4 and then 50 lbs. of 1/4 x 1/8
21" x 62"
7.00 cubic feet
Recommend - 100 lbs. of 1/2 x 1/4 and then 50 lbs. of 1/4 x 1/8
24" x 72"
10.00 cubic feet
Recommend - 150 lbs. of 1/2 x 1/4 and then 100 lbs. of 1/4 x 1/8
30" x 72"
15.00 cubic feet
Recommend - 250 lbs. of 1/2 x 1/4 and then 100 lbs. of 1/4 x 1/8
36" x 72"
20.00 cubic feet
Recommend - 350 lbs. of 1/2 x 1/4 and then 150 lbs. of 1/4 x 1/8
