diff --git a/api/limits.ts b/api/limits.ts
index 401f7fc28..c664b5ed7 100644
--- a/api/limits.ts
+++ b/api/limits.ts
@@ -1,7 +1,7 @@
 import * as sdk from "@across-protocol/sdk";
 import { VercelResponse } from "@vercel/node";
 import { BigNumber, ethers } from "ethers";
-import { DEFAULT_SIMULATED_RECIPIENT_ADDRESS } from "./_constants";
+import { CHAIN_IDs, DEFAULT_SIMULATED_RECIPIENT_ADDRESS } from "./_constants";
 import { TokenInfo, TypedVercelRequest } from "./_types";
 import { object, assert, Infer, optional, string } from "superstruct";
 
@@ -358,13 +358,18 @@ const handler = async (
       .mul(maxDepositShortDelay)
       .div(sdk.utils.fixedPointAdjustment);
 
-    const maximumDeposit = getMaxDeposit(
-      liquidReserves,
-      bufferedMaxDepositShortDelay,
-      limitsBufferMultiplier,
-      chainHasMaxBoundary,
-      routeInvolvesLiteChain
-    );
+    // FIXME: Remove after campaign is complete
+    const maximumDeposit =
+      destinationChainId === CHAIN_IDs.ZK_SYNC &&
+      computedOriginChainId === CHAIN_IDs.MAINNET
+        ? liquidReserves
+        : getMaxDeposit(
+            liquidReserves,
+            bufferedMaxDepositShortDelay,
+            limitsBufferMultiplier,
+            chainHasMaxBoundary,
+            routeInvolvesLiteChain
+          );
 
     const responseJson = {
       // Absolute minimum may be overridden by the environment.
diff --git a/api/suggested-fees.ts b/api/suggested-fees.ts
index ceb724057..a1ad89a28 100644
--- a/api/suggested-fees.ts
+++ b/api/suggested-fees.ts
@@ -5,6 +5,7 @@ import { type, assert, Infer, optional, string, enums } from "superstruct";
 import {
   DEFAULT_SIMULATED_RECIPIENT_ADDRESS,
   DEFAULT_QUOTE_BLOCK_BUFFER,
+  CHAIN_IDs,
 } from "./_constants";
 import { TypedVercelRequest } from "./_types";
 import {
@@ -274,15 +275,30 @@ const handler = async (
         ));
     }
 
+    // TODO: Remove after campaign is complete
+    /**
+     * Override estimated fill time for ZK Sync deposits.
+     * @todo Remove after campaign is complete
+     * @see Change in {@link ./limits.ts}
+     */
+    const estimatedTimingOverride =
+      computedOriginChainId === CHAIN_IDs.MAINNET &&
+      destinationChainId === CHAIN_IDs.ZK_SYNC &&
+      amount.gte(limits.maxDepositShortDelay)
+        ? 9600
+        : undefined;
+
     const responseJson = {
-      estimatedFillTimeSec: amount.gte(maxDepositInstant)
-        ? resolveRebalanceTiming(String(destinationChainId))
-        : resolveTiming(
-            String(computedOriginChainId),
-            String(destinationChainId),
-            inputToken.symbol,
-            amountInUsd
-          ),
+      estimatedFillTimeSec:
+        estimatedTimingOverride ??
+        (amount.gte(maxDepositInstant)
+          ? resolveRebalanceTiming(String(destinationChainId))
+          : resolveTiming(
+              String(computedOriginChainId),
+              String(destinationChainId),
+              inputToken.symbol,
+              amountInUsd
+            )),
       capitalFeePct: relayerFeeDetails.capitalFeePercent,
       capitalFeeTotal: relayerFeeDetails.capitalFeeTotal,
       relayGasFeePct: relayerFeeDetails.gasFeePercent,
diff --git a/package.json b/package.json
index fddb4e9e4..97c7efa73 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "@across-protocol/constants": "^3.1.24",
     "@across-protocol/contracts": "^3.0.19",
     "@across-protocol/contracts-v3.0.6": "npm:@across-protocol/contracts@3.0.6",
-    "@across-protocol/sdk": "^3.3.27",
+    "@across-protocol/sdk": "^3.3.30",
     "@amplitude/analytics-browser": "^2.3.5",
     "@balancer-labs/sdk": "1.1.6-beta.16",
     "@emotion/react": "^11.13.0",
diff --git a/src/views/Bridge/utils.ts b/src/views/Bridge/utils.ts
index e9882089d..c1c023768 100644
--- a/src/views/Bridge/utils.ts
+++ b/src/views/Bridge/utils.ts
@@ -1,4 +1,3 @@
-import { CHAIN_IDs } from "@across-protocol/constants";
 import { BigNumber } from "ethers";
 import {
   Route,
@@ -151,10 +150,7 @@ export function getInitialRoute(filter: RouteFilter = {}) {
   const routeFromFilter = findEnabledRoute({
     inputTokenSymbol:
       filter.inputTokenSymbol ??
-      (filter?.fromChain === CHAIN_IDs.ALEPH_ZERO ||
-      filter?.fromChain === CHAIN_IDs.POLYGON
-        ? "WETH"
-        : "ETH"),
+      (nonEthChains.includes(filter?.fromChain ?? -1) ? "WETH" : "ETH"),
     fromChain: filter.fromChain || hubPoolChainId,
     toChain: filter.toChain,
   });
diff --git a/yarn.lock b/yarn.lock
index 364833378..bed56a92b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -21,6 +21,11 @@
   resolved "https://registry.yarnpkg.com/@across-protocol/constants/-/constants-3.1.24.tgz#01fe49330bb467dd01813387ddbac741bc74a035"
   integrity sha512-guKtvIbif//vsmSZbwGubTWVtfkWiyWenr2sVyo63U/68GOW89ceJRLu4efLjeLVGiSrNAJtFUCv9dTwrrosWA==
 
+"@across-protocol/constants@^3.1.25":
+  version "3.1.25"
+  resolved "https://registry.yarnpkg.com/@across-protocol/constants/-/constants-3.1.25.tgz#60d6d9814582ff91faf2b6d9f51d6dccb447b4ce"
+  integrity sha512-GpZoYn7hETYL2BPMM2GqXAer6+l/xuhder+pvpb00HJcb/sqCjF7vaaeKxjKJ3jKtyeulYmdu0NDkeNm5KbNWA==
+
 "@across-protocol/constants@^3.1.9":
   version "3.1.13"
   resolved "https://registry.yarnpkg.com/@across-protocol/constants/-/constants-3.1.13.tgz#b4caf494e9d9fe50290cca91b7883ea408fdb90a"
@@ -83,13 +88,13 @@
     yargs "^17.7.2"
     zksync-web3 "^0.14.3"
 
-"@across-protocol/sdk@^3.3.27":
-  version "3.3.27"
-  resolved "https://registry.yarnpkg.com/@across-protocol/sdk/-/sdk-3.3.27.tgz#ca58012c30e7d489ba5493981447c8cf2b82ef58"
-  integrity sha512-TebERt9Z0CF3NzD4dkurrgEqHn7gqidgoUrvk0kMUy2HzrlZilYj3oKgn+Kevn4XqomPfdWOkuAyiWDV5uNYew==
+"@across-protocol/sdk@^3.3.30":
+  version "3.4.5"
+  resolved "https://registry.yarnpkg.com/@across-protocol/sdk/-/sdk-3.4.5.tgz#343f53be92e92afd2fd4dbea16f180533093ea26"
+  integrity sha512-o1DovRfSriL0GTa304rd2KcBDwWYbK2SHT8mElyCLg6beX5RnJKT0YiMUMuCMfZ7MZJscdGzV023e5BhbyeP5A==
   dependencies:
     "@across-protocol/across-token" "^1.0.0"
-    "@across-protocol/constants" "^3.1.24"
+    "@across-protocol/constants" "^3.1.25"
     "@across-protocol/contracts" "^3.0.19"
     "@eth-optimism/sdk" "^3.3.1"
     "@ethersproject/bignumber" "^5.7.0"
@@ -22961,7 +22966,7 @@ string-length@^4.0.1:
     char-regex "^1.0.2"
     strip-ansi "^6.0.0"
 
-"string-width-cjs@npm:string-width@^4.2.0", string-width@^4.0.0, string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.2, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0":
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -22996,6 +23001,15 @@ string-width@^3.0.0, string-width@^3.1.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
+string-width@^4.0.0, string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.2, string-width@^4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
 string-width@^5.0.0, string-width@^5.0.1, string-width@^5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-5.1.2.tgz#14f8daec6d81e7221d2a357e668cab73bdbca794"
@@ -23070,7 +23084,7 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -23098,6 +23112,13 @@ strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
   dependencies:
     ansi-regex "^4.1.0"
 
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
 strip-ansi@^7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-7.0.1.tgz#61740a08ce36b61e50e65653f07060d000975fb2"
@@ -25814,7 +25835,7 @@ workerpool@6.2.1:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.2.1.tgz#46fc150c17d826b86a008e5a4508656777e9c343"
   integrity sha512-ILEIE97kDZvF9Wb9f6h5aXK4swSlKGUcOEGiIYb2OOu/IrDU9iwj0fD//SsA6E5ibwJxpEvhullJY4Sl4GcpAw==
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -25849,6 +25870,15 @@ wrap-ansi@^6.2.0:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrap-ansi@^8.0.1, wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"