The New AI Prime 16HD shares the same cluster as the Hydra 32HD and Hydra 64HD. The new Prime will...

Clarisea Roller Fleece Replacement (For the SK-5000) Particle size removal: down to 20 microns  Filter fleece: 15cm (6”) width –...

Please note: This sku is for a box with 4 bags containing the salt.     Complete Professional Marine Salt Mix...

Heads above the rest. above the rest.AquaBlade long scrapers feature solid fiberglass handles. Instead of using glues that break-down like...

Nitrite testing Nitrite is a substance that is toxic to fish and invertebrates. It is a misconception that once a...

1" slip x slip bulkhead w/nut & gasket

  ATI 54W Blue Plus T5 HO Fluorescent bulb combines the properties of a blue bulb (approximately 460nm) with an...

The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from saltwater damage.  Virtually unbreakable, especially in comparison with the...

Made with sustainable and fresh PE Mysis Hand crafted in small batches at the Piscine Energetics' laboratory in British Columbia,...

NOTES: This is 1 Piece total, approx weight 1 pounds. Size approx 6.5" Long x 5.5" Wide x 2" Tall.  The...

DOS- Quiet Drive The best selling dosing pump has gotten better and what’s that- quieter! ▪ 1.5 times quieter (4...

The CoralVue HYDROS Auto Top-Off Kit Includes: HYDROS Triple Water Level Sensor (plugs into HYDROS Sense Port), HYDROS DC Micro...

Reagent solutions for the analysis of alkalinity, calcium, and magnesium levels.  Available in two, four, and five months supply packs.* ...

Modular Tubing 3/4" - Dual Return Nozzle Double 3/4 approximately 9" long   Perfect for creating directional return flow in...

The ICP Lab We help you to improve the quality and health of the corals in your aquarium   NOT...

Professional Sea Salt for Demanding Aquariums Fauna Marin Professional Sea Salt contains all the essential macro and trace elements needed...

The HI783-25 are the replacement reagents for the Marine Magnesium Checker® HC - HI783. These high-quality reagents are manufactured in...

Tropic Eden Morroca Cocoworm Fish Home Tube - Sm, Med, L, XL   The perfect addition for any tank to...

REEF ENERGY PLUS All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better growth, higher...

Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in...

Super nutritious Natural Purple Seaweed sheets. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large...

Ammonia Alert Seachem sensor technology Continuously detects and monitors free ammonia No test kits, chemicals, or procedures are needed; just...

Optimal food source for all species of Marine Tangs, Angels, Wrasses, Damsels and some Butterfly Fish. Green Marine algae is...

Premium quality marine algae. An all natural, very nutritious supplement for all grazing fish, rich in Vitamin C and 100%...

  Formula One is red and, like our frozen and flake products, it is produced with higher protein levels. Shrimp,...

This 5" x 8" x 1" zippered neoprene pouch is great for safely storing Apogee meters, microCache devices, and sensors....

NOTES: This is 1 Piece total, approx weight 6 pounds. Size approx 17" Long x 6.5" Wide x 10" Tall.  ...

  BRIGHTER. BETTER COLOR MIXING. ADVANCED COLOR CONTROL   What’s New?   Brighter Better thermal management and more advanced LED...

NOTES: Double Cave is SOLD by PIECE. On Average the pieces are 6.5-7.5lbs. So ordering qty 1 will get you a...

BRS PRO Series Anion DI Resin (Color Changing) - Part 2 of 3 Changes from Blue to Amber when exhausted...

BRS PRO Series Cation DI Resin (Color Changing) - Part 1 of 3 Changes from Purple to Amber when exhausted...

Tropic Eden Supreme Tonga Branch Morroca Reef Rock - Pre-Cured, Dry Proud to introduce Tropic Eden’s new Tonga Branch Morroca...

Professional 15x strength powerful live tank starter nitrifying bioculture, with much fewer temperature and shelf life restrictions than competing products,...

NOTE: This rock is completely DRY, not alive and can ship safely UPS Ground. Rock is sold per LB (not...

Two Little Fishies ReVive Coral Cleaner is a new product developed by Julian Sprung for cleansing live stony corals. It...

Combines the properties of a Blue Plus (~50%) + Aquablue Special (~40%) + Purple Plus (~10%) producing a bulb with...

The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from saltwater damage.  Virtually unbreakable, especially in comparison with the...

Heavy Duty Coral Cutter 8" (Cow Horn Jaws) Japanese Stainless Steel Black Oxidized Knurled Handles Double Spring 2" wide opening...

NOTES: This is 1 Piece total, approx weight 5 pounds. The average size is 13 L x 5 T x 10...

ReefMat Smart - Plug&Play - Efficient The ReefMat is a plug & play, fully automated, smart fleece roller filter that...

Please stir this product with the stirring stick that is included and then shake vigorously upon receiving it and before...

Natural Series Products Our new Nauturox series versions of our products are available for each of our original product lines. ...

50 MICRON FLEECE (2pk) Klir Fleece Roll boasts an impressive quantity of filtering material and provides months of service. Replacement...

1/4" Clear Acrylic Tube - 16" Long Can use in a variety of ways from DIY drippers, to connecting John Guest...

Note:  Picture shown is the 14" bag. This bag is 4" ring and 8" long.   Premium Aquatics 200 Micron...