Why the crazy price hike?

Crazy, I just ordered this 5 gal. bucket ( 160 gal ) and the price almost doubled ? Sooo, I drove a few miles to buy at Petco for about $40.00 w/tax, " Come on Man "

Can you use this for hermit crabs?

Yes, you can use this to make drinking/soaking water for tropical land hermit crabs. Just be sure they always have TWO WATER DISHES - one with de-chlorinated fresh water and one with brackish or salt water such as this. The dishes need to be deep enough for them to fill their shells with water if they want, but must have sponge or some driftwood in them for easy access in and out. Few people realize they need salt water as well as fresh, kudos to you for inquiring! If you know which species you have, you should google to find out any specific quirks or requirements.

Ratio (ingredient weight to water volume) for brackish water condition?

Typically, we recommend starting with 1/4 cup of salt to one gallon of water. This is half the amount used to make full marine conditions. You will need a hydrometer or refractometer to test the salinity. You need 1.010 - 1.015.

If I have a 39 gallon tank, what size should I buy?

You'll always need to make water for water changes so buying in bulk saves money. if you go to the web site it will tell you the exact amount per gallon

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Instant Ocean Sea Salt, 50-Gallon

Product ID: 182843741

Details

Brand
Instant Ocean
Liquid Volume
50 Gallons
Item Weight
6.8 Kilograms
Item Form
Powder
Manufacturer
Carolina

🌊Dissolves & mixes instantly

📏Makes 50 gallons of synthetic sea water

🧪Trusted by aquariums & research for 40+ years

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VT97027

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Dive into perfection with the sea salt trusted for decades!

EXPERT SUPPORT INCLUDED - Access live chat & phone help 8am-8pm ET, Mon-Fri
MASSIVE 50 GALLON YIELD - One pack covers your entire marine setup
RAPID DISSOLUTION POWER - Mixes quickly for hassle-free aquarium prep
PROVEN INDUSTRY STANDARD - Preferred by hobbyists, public aquariums & labs worldwide
RELIABLE QUALITY CONSISTENCY - Formulated for stable, healthy aquatic environments

Instant Ocean Sea Salt is a premium synthetic sea salt powder that dissolves quickly to create 50 gallons of high-quality marine water. With over 40 years as the go-to choice for hobbyists, public aquariums, and scientific research, it guarantees consistent, dependable water chemistry. Backed by expert technical support, it’s the ultimate solution for maintaining thriving saltwater aquariums.

Specifications

ASIN	B000255NKA
Brand	Instant Ocean
Brand Name	Instant Ocean
Customer Reviews	4.8 out of 5 stars 5,166 Reviews
Global Trade Identification Number	00051378014007
Item Form	Powder
Item Weight	6.8 Kilograms
Liquid Volume	50 Gallons
Manufacturer	Carolina Biological Supply Company
Manufacturer Part Number	AQ-SS350-10
Model Number	AQ-SS350-10
Target Species	Fish
UPC	719279584394 051378014007
country-of-origin	USA

Reviews

I**A

2.02.2026

A**S

27.12.2022

P**L

10.02.2026

A**N

9.03.2026

A**W

14.04.2026

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