how much hardner do i need for 4.35 gallons?

The resin and hardener come as a 5 to 1 ratio. The resisnt exactly a gallon, the hardener in I think a 25 oz can goes with a “gallon” of resin so you would need to get five of these 25 oz cans of hardener and you’ll have 2/3 of a can of hardener left when you’ve used up your 4.35 gallons of resin.

I have used Envirotex Lite to coat tiles and it is crystal clear but SO long to cure. Question is if this is crystal clear? And how long to cure?

You have to use 207 hardner and 207 resin. Go to West system site and read about clear finish.

Do these containers come full ? appeared to have channellock marks on lid channel and there was hardener on inner lid. Missing 2 inches of product.

It doesn't matter. It was obviously opened by someone. Just return it and get another one or a refund.

My set of resin and hardener came today, but the hardener is brownish/redish in color when I pump it out. Is that correct or should I return it?

My hardener was slightly brownish when mixing with the resin, but after mixing it would clear up, and it would harden clear as well. If it is very pronounced, you may have a problem, but if it is just a tint that goes away when you mix, that seems to be normal. You may want to do a test on some scrap material to confirm.

West System 205b Fast Hardener 0 86 Quart

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Description

⚡ Cure Fast, Bond Strong, Finish Like a Pro!

RAPID CURE POWER - Fast hardening formula delivers a rigid, high-strength bond in just 10-15 minutes at 70°F, perfect for tight project timelines.
PRECISION DISPENSING - Use with #301 mini pumps for exact mixing ratios (5:1 with #105 resin), ensuring flawless results every time.
VERSATILE COMPATIBILITY - Seamlessly bonds glass, metal, plastic, resin, and wood—your all-in-one solution for diverse materials.
MOISTURE RESISTANT DURABILITY - Engineered to withstand moisture exposure, ideal for powersports and outdoor equipment repairs.
TRUSTED QUALITY PERFORMANCE - Backed by a 4.8-star rating and global recognition, this 0.86 quart fast hardener is a must-have for pros and DIYers alike.

WEST SYSTEM 205B Fast Hardener is a premium epoxy hardener designed for rapid curing and high-strength bonding. When mixed 5:1 with #105 resin, it creates a rigid, moisture-resistant solid with a pot life of 10-15 minutes at 70°F and full cure in 24 hours. Compatible with multiple materials including glass, metal, plastic, resin, and wood, it’s ideal for demanding applications like powersports equipment and moisture-exposed environments. Packaged in a 0.86 quart bottle, it offers precision and reliability trusted by professionals worldwide.

Specifications

ASIN	B0002NY6SW
Best Sellers Rank	718,878 in DIY & Tools ( See Top 100 in DIY & Tools ) 300 in Metal Filled Epoxies
Brand	West System
Colour	clear
Compatible Material	Glass, Metal, Plastic, Resin, Wood
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (218)
Full Cure Time	24 Hours
Global Trade Identification Number	00811343010577
Item Form	Liquid
Item Package Quantity	1
Item Volume	0.86 Quarts
Item Weight	998 g
Manufacturer	WEST SYSTEM
Manufacturer Part Number	205B
Material	Epoxy Resin
Model Number	205-B
Number of Pieces	1
Other Special Features of the Product	Fast Drying
Specific Uses For Product	Powersports Equipment, Moisture-Exposed Environments
UPC	811343010577 780333707172 799916783816
Unit Count	813.8635 millilitre
Water Resistance Level	Water Resistant

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