There are multiple filler options for our Octagon Sign Bases and Pyramid Sign Bases but if you're looking for a water based solution, the H2Old 16 oz. Base Gel is just the thing.

This gel is made from super-absorbent polymer and is environmentally friendly. Each full package of base gel absorbs up to 40 lbs. of water to create a firm gel that can provide up to 400 pounds of weight.

Features: 

• Easier installation compared to sand, pea gravel, or concrete 
• Base Gel activates and absorbs water within 2-3 minutes, creates firm gel within 3-5 minutes
• Lasts 7 years or more 
• Made of super-absorbent polymer with an antimicrobial agent 
• Will never exceed the volume of water 
• Comes in 16 oz. bags (Pyramid Sign Bases requires at least 1/2 bag each) 
• Full bag absorbs up to 40 lbs. of water and provide up to 400 lbs of weight (Pyramid Sign Bases only require max of 22 gallons of water to fill)
• Remove Base Gel by simply pouring a salt water solution into the base