Tanksgiving 2023

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

One Meter to RULE THEM ALL! Marine Master Waterproof Wireless Multiparameter Photometer w/Bluetooth Connection to the Hanna App where you can save your results. pH (HI780) Alkalinity (HI772) Ammonia (HI784) Calcium (HI758) Magnesium...

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 10  is 10 Pounds of Rock, NOT 10 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. Marco ReefSaver is a natural...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via...