
Equipment
Instant Ocean Sea Salt Mix (bag).
Instant Ocean Sea Salt in a resealable bag — the reliable standby salt mix for fish-only and FOWLR (fish-only-with-live-rock) systems. Mixes clear and consistent every time.
In-store purchase only. There is no online checkout on this site. Pick this up at our Erie store, or call us to arrange shipping.
- Brand
- Instant Ocean
- Condition
- new
- Fulfillment
- Local pickup — Erie, PA
Pick this up at the shop, or ask us to ship it. Shipping cost depends on the item, so call (814) 456-9445 and we'll quote it — payment is taken upfront before the order goes out.
What it's for
Underlined topics open the guide that explains how they work.
- mixing saltwater for fish-only tanksSaltwater mixing & salinityMixing saltwater to the right strength, and keeping it there as water evaporates.In Your first saltwater aquarium: a FOWLR starter guide
- FOWLR system water changes
- marine aquarium salt mixingSaltwater mixing & salinityMixing saltwater to the right strength, and keeping it there as water evaporates.In Your first saltwater aquarium: a FOWLR starter guide
- reef-ready saltwater preparationCoral & reef chemistryCorals build their skeleton out of calcium, alkalinity, magnesium and trace elements.In A guide to growing corals: soft, LPS and SPS
Set it up right
Guides that use this.

How to Do an Aquarium Water Change (and How Often)
Change 20–25% of the water once a week; with a routine it takes about 15 minutes. The step-by-step for freshwater and saltwater tanks, from us at Sea Cave, the Erie PA fish shop open since 1975.
Read the guide
Your first saltwater aquarium: a FOWLR starter guide
FOWLR (fish-only-with-live-rock — saltwater fish plus live rock doing the filtration) is the on-ramp to saltwater without reef-tank price tags. The full 30–55 gallon starter build, part by part, from us at Sea Cave in Erie, PA.
Read the guide
Visit the store
660 East 14th Street,
Erie, PA.
Mon–Fri 12–6 · Sat 11–4 · Sun closed. Call ahead on livestock — what's on the floor rotates.



