What is this? Battery acid?

For everything related to Ford Super Duty trucks. Questions, pictures, repairs, modifications, and general adventures are all welcome topics!
Tesla not charging to 100%
How are you allowed to defend yourself from unleashed dog?
Is there a bag that can fit both pair of skis and snowboard?
The sport where you strap two boards to your feet and point them down the mountain. Turning optional!
Are these hours low, normal, or high?

Welcome to /r/Diesel, reddit's home for everything about compression motors!
Anyone have a part number or have replaced this?

All about the F-250, F-350, and F-450
Anyone know what this wire is?
All about the F-250, F-350, and F-450
Anyone know what this wire is?
All about the F-250, F-350, and F-450
Best replacement speakers non amped
For The Car Audio and Video beginners to enthusiast to everything in between! Heads, Subs, EQs, etc... Bring it into our show room. Q&A, Advice, Tips, tricks and tech welcome! If you are new to the hobby, you can subscribe, post and view our wiki for basic starting information. If you are a long time veteran, feel free to use this as a form to discuss with other like minded enthusiasts.
Whine coming from
All about the F-250, F-350, and F-450
Whine after adding LED lights to grille/fog
Welcome to /r/Powerstroke. This is home for anything about Ford's Powerstroke motors!
What can I store hotshot in? Any plastic container? Tired of it leaking.
Welcome to /r/Diesel, reddit's home for everything about compression motors!
Looking to switch from snowboarding - ski size?
The sport where you strap two boards to your feet and point them down the mountain. Turning optional!
What do I need besides led pods for this setup

For everything related to Ford Super Duty trucks. Questions, pictures, repairs, modifications, and general adventures are all welcome topics!
Using 4wd with locking hubs first time
All about the F-250, F-350, and F-450
Basics that I should learn
For everything related to Ford Super Duty trucks. Questions, pictures, repairs, modifications, and general adventures are all welcome topics!
Is this what I need for light and sling?
Subreddit for O.F. Mossberg & Sons Firearms.
Do the Bilsteins 5100 lift your f250
http://redd.it/1476ioa
Winter prep
Welcome to /r/Powerstroke. This is home for anything about Ford's Powerstroke motors!
Speaker rec without amp
For The Car Audio and Video beginners to enthusiast to everything in between! Heads, Subs, EQs, etc... Bring it into our show room. Q&A, Advice, Tips, tricks and tech welcome! If you are new to the hobby, you can subscribe, post and view our wiki for basic starting information. If you are a long time veteran, feel free to use this as a form to discuss with other like minded enthusiasts.
Am I dumb…. New diesel
Welcome to /r/Powerstroke. This is home for anything about Ford's Powerstroke motors!
2011 f250 - audio upgrade
For The Car Audio and Video beginners to enthusiast to everything in between! Heads, Subs, EQs, etc... Bring it into our show room. Q&A, Advice, Tips, tricks and tech welcome! If you are new to the hobby, you can subscribe, post and view our wiki for basic starting information. If you are a long time veteran, feel free to use this as a form to discuss with other like minded enthusiasts.
New to diesels
Welcome to /r/Powerstroke. This is home for anything about Ford's Powerstroke motors!