diff --git a/packages/health-check/src/checks/critical.js b/packages/health-check/src/checks/critical.js
index 77f6554b..f8081c92 100644
--- a/packages/health-check/src/checks/critical.js
+++ b/packages/health-check/src/checks/critical.js
@@ -1,4 +1,3 @@
-const crypto = require("crypto");
 const got = require("got");
 const { isEqual } = require("lodash");
 const {
@@ -7,7 +6,8 @@ const {
   getAuthCookie,
   isPortalModuleEnabled,
   uploadFunc,
-  sectorSize,
+  siaDockerContainerIP,
+  defaultSiaPort,
 } = require("../utils");
 const { SkynetClient, stringToUint8ArrayUtf8, genKeyPairAndSeed } = require("skynet-js");
 
@@ -22,7 +22,9 @@ async function skydConfigCheck(done) {
   const data = { up: false };
 
   try {
-    const response = await got(`http://10.10.10.10:9980/renter`, { headers: { "User-Agent": "Sia-Agent" } }).json();
+    const response = await got(`http://${siaDockerContainerIP}:${defaultSiaPort}/renter`, {
+      headers: { "User-Agent": "Sia-Agent" },
+    }).json();
 
     // make sure initial funding is set to 10SC
     if (response.settings.allowance.paymentcontractinitialfunding !== "10000000000000000000000000") {
@@ -48,13 +50,6 @@ async function uploadCheck(done) {
   return uploadFunc(done, payload, "upload_file");
 }
 
-// uploadLargeFileCheck returns the result of uploading a large file
-async function uploadLargeFileCheck(done) {
-  const payload = Buffer.from(crypto.randomBytes(sectorSize));
-
-  return uploadFunc(done, payload, "upload_large_file", true);
-}
-
 // websiteCheck checks whether the main website is working
 async function websiteCheck(done) {
   return done(await genericAccessCheck("website", `https://${process.env.PORTAL_DOMAIN}`));
@@ -211,7 +206,6 @@ async function genericAccessCheck(name, url) {
 const checks = [
   skydConfigCheck,
   uploadCheck,
-  uploadLargeFileCheck,
   websiteCheck,
   downloadCheck,
   skylinkSubdomainCheck,
diff --git a/packages/health-check/src/checks/extended.js b/packages/health-check/src/checks/extended.js
index 3a9d0ea8..38d0e928 100644
--- a/packages/health-check/src/checks/extended.js
+++ b/packages/health-check/src/checks/extended.js
@@ -1,8 +1,16 @@
+const crypto = require("crypto");
 const got = require("got");
 const hasha = require("hasha");
 const { detailedDiff } = require("deep-object-diff");
 const { isEqual } = require("lodash");
-const { calculateElapsedTime, ensureValidJSON, getResponseContent, getAuthCookie, uploadFunc } = require("../utils");
+const {
+  calculateElapsedTime,
+  ensureValidJSON,
+  getResponseContent,
+  getAuthCookie,
+  sectorSize,
+  uploadFunc,
+} = require("../utils");
 const { parseSkylink } = require("skynet-js");
 
 // audioExampleCheck returns the result of trying to download the skylink
diff --git a/packages/health-check/src/utils.js b/packages/health-check/src/utils.js
index 20d372e1..9a35ad2a 100644
--- a/packages/health-check/src/utils.js
+++ b/packages/health-check/src/utils.js
@@ -1,4 +1,5 @@
 const FormData = require("form-data");
+const got = require("got");
 const ipCheckService = "whatismyip.akamai.com";
 const ipRegex = new RegExp(
   `^(?:25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|\\d)(?:\\.(?:25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|\\d)){3}$`
@@ -21,6 +22,9 @@ const defaultFanoutRedundancy = 3;
 // siaDockerContainerIP is the local IP of the sia docker container
 const siaDockerContainerIP = "10.10.10.10";
 
+// defaultSiaPort is the default port the sia runs on.
+const defaultSiaPort = "9980";
+
 /**
  * Get the time between start and now in milliseconds
  */
@@ -159,8 +163,8 @@ async function sleep(seconds) {
 // skylinkHealthCheck checks if the skylink has reached full redundancy
 async function skylinkHealthCheck(skylink, numRetries = 30, authCookie, isLarge = false) {
   // Get the health of the skylink
-  const response = await got(`http://${siaDockerContainerIP}/skynet/health/skylink/${skylink}`, {
-    headers: { "user-agent": "Sia-Agent", cookie: authCookie },
+  const response = await got(`http://${siaDockerContainerIP}:${defaultSiaPort}/skynet/health/skylink/${skylink}`, {
+    headers: { "User-Agent": "Sia-Agent", cookie: authCookie },
   });
   const healthData = getResponseContent(response);
 
@@ -168,7 +172,9 @@ async function skylinkHealthCheck(skylink, numRetries = 30, authCookie, isLarge
   if (healthData.basesectorredundancy !== defaultBaseSectorRedundancy && numRetries > 0) {
     // Semi-smart sleep before retrying. Sleep longer if the redundancy is
     // lower.
-    await sleep(10 - healthData.basesectorredundancy);
+    let sleepTime = defaultBaseSectorRedundancy - healthData.basesectorredundancy;
+    console.log(`sleeping ${sleepTime}s for basesectorredundancy ${healthData.basesectorredundancy}`);
+    await sleep(sleepTime);
     return skylinkHealthCheck(skylink, numRetries - 1, authCookie, isLarge);
   }
 
@@ -176,7 +182,9 @@ async function skylinkHealthCheck(skylink, numRetries = 30, authCookie, isLarge
   if (isLarge && healthData.fanoutredundancy != defaultFanoutRedundancy && numRetries > 0) {
     // Semi-smart sleep before retrying. Sleep longer if the redundancy is
     // lower.
-    await sleep((defaultFanoutRedundancy - healthData.fanoutredundancy) * 10);
+    let sleepTime = (defaultFanoutRedundancy - healthData.fanoutredundancy) * 10;
+    console.log(`sleeping ${sleepTime}s for fanout redundancy ${healthData.fanoutredundancy}`);
+    await sleep(sleepTime);
     return skylinkHealthCheck(skylink, numRetries - 1, authCookie, isLarge);
   }
 
@@ -205,6 +213,7 @@ async function uploadFunc(done, payload, name, isLarge = false) {
 
   form.append("file", payload, { filename: `${name}.txt`, contentType: "text/plain" });
 
+  let skylink;
   try {
     // Upload file
     const response = await got.post(`https://${process.env.PORTAL_DOMAIN}/skynet/skyfile`, {
@@ -214,7 +223,7 @@ async function uploadFunc(done, payload, name, isLarge = false) {
 
     // Check file health
     const responseContent = getResponseContent(response);
-    const skylink = responseContent.skylink;
+    skylink = responseContent.skylink;
     await skylinkHealthCheck(skylink, 60, authCookie, isLarge);
 
     // Update data response
@@ -243,5 +252,7 @@ module.exports = {
   ipCheckService,
   ipRegex,
   sectorSize,
+  siaDockerContainerIP,
+  defaultSiaPort,
   uploadFunc,
 };