diff --git a/utils/mempool.go b/utils/mempool.go
new file mode 100644
index 0000000..825eccf
--- /dev/null
+++ b/utils/mempool.go
@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"math/big"
+	"sync"
+)
+
+var intPool = &sync.Pool{
+	New: func() interface{} {
+		return new(big.Int)
+	},
+}
+
+func GetBigInt() *big.Int {
+	return intPool.Get().(*big.Int)
+}
+
+func PutBigInt(i *big.Int) {
+	i.SetInt64(0) // or you might want to reset to some default value
+	intPool.Put(i)
+}
diff --git a/utils/tick_math.go b/utils/tick_math.go
index bc5f6ca..2af304b 100644
--- a/utils/tick_math.go
+++ b/utils/tick_math.go
@@ -25,8 +25,8 @@ var (
 )
 
 func mulShift(val *big.Int, mulBy *big.Int) *big.Int {
-
-	return new(big.Int).Rsh(new(big.Int).Mul(val, mulBy), 128)
+	return GetBigInt().Rsh(new(big.Int).Mul(val, mulBy), 128)
+	//return new(big.Int).Rsh(new(big.Int).Mul(val, mulBy), 128)
 }
 
 var (
@@ -66,10 +66,11 @@ func GetSqrtRatioAtTick(tick int) (*big.Int, error) {
 		absTick = -tick
 	}
 	var ratio *big.Int
+
 	if absTick&0x1 != 0 {
-		ratio = sqrtConst1
+		ratio = GetBigInt().Set(sqrtConst1)
 	} else {
-		ratio = sqrtConst2
+		ratio = GetBigInt().Set(sqrtConst2)
 	}
 	if (absTick & 0x2) != 0 {
 		ratio = mulShift(ratio, sqrtConst3)
@@ -132,6 +133,7 @@ func GetSqrtRatioAtTick(tick int) (*big.Int, error) {
 		ratio = new(big.Int).Div(entities.MaxUint256, ratio)
 	}
 
+	defer PutBigInt(ratio)
 	// back to Q96
 	if new(big.Int).Rem(ratio, Q32).Cmp(constants.Zero) > 0 {
 		return new(big.Int).Add((new(big.Int).Div(ratio, Q32)), constants.One), nil