Frag Tanks
Ultimate coral showcase
The pros
BUILD on Reef Casa
Glass coral frag tanks, trusted by coral farms, frag sellers and reefers worldwide
Frag racks
Comes
standard
Every Reef Casa frag tank ships with frag racks included. Complete frag tank solutions right out of the box.
Performance
Built In
Filtration
These frag tanks are all in one – the filter is built right into the back of the tank. Fast setup – no plumbing – 0 leaks.
NOTHING BUT REEF
ULTRA
Clear
You can’t get any closer to the ocean than this.
The clearest low-iron glass on any frag tank in the world.
Up to
99%
light transmission,
low-iron glass
2x
filter efficiency vs
other brands
16+
upgrades to make
it your own
Standard on all frag tanks
Ready To Frag
Every Reef Casa frag tank comes ready to set up right out of the box.
Frag Racks
Frag racks come standard with every frag tank. Flat, stable shelves to grow out and display your coral frags from day one.
Filter Media
Filter media comes standard with every frag tank. Mechanical, biological, and chemical filtration designed to keep your frag tank water sparkling.
Precision
Precision-made gear to keep your media in place. Laser-cut premium acrylic for a flawless, exacting fit. We obsess over the parts you’ll rarely think about.
Return Pump
Quiet, reliable and easy to clean return pump. Every frag tank comes with the pump, making getting your reef tank simple.
Plumbing
Return lines and plumbing with every frag tank. All the parts you need to get it set up come included.
Self Levelling
Aquarium leveling mat for the perfect base every time. Every frag tank comes with a leveling base pre-installed.
Customer Support
We answer each and every email, every time. Our team has 35+ years of aquarium keeping experience. No bots, real people and real answers.
Redundancy
Safer
Than Ever
The new M3 Mega Frag Tank comes with dual drains so the tank never overflows. Dual pumps so the filter never stops running.
Pick your model
Let’s Frag
Two sizes, both fully equipped. Choose the one that fits your space and your frags.
Premium
Frag Supplies
Everything you need to cut, mount and sell your corals.
Frag master unlocked
The Right
Tools
Frag tools, plugs, glue and more to take your fragging level to the next level.
Bulk
Frag Plugs
If you need 25 or 25,000 – our frag plugs are ICP tested and verified the most inert frag plugs on earth. Trusted by some of the largest coral farms.
Metals
Chromiumµg/l
Corals need none — toxic in traces
Vanadiumµg/l
No use — slows growth
Tungstenµg/l
No use — pure pollutant
Bariumµg/l
Trace only — stresses tissue high
Molybdenumµg/l
Trace, for bacteria — excess disrupts them
Nickelµg/l
Trace only — toxic above it
Copperµg/l
Trace only — kills inverts fast
No change — all three read 0.00
Zincµg/l
Trace, for enzymes — toxic above
Aluminiumµg/l
No use — irritates tissue
Cobaltµg/l
Trace, makes B12 — toxic above
No change — all three read 0.00
Manganeseµg/l
Trace, aids colour — excess feeds algae
Lithiumµg/l
Trace only — no proven benefit
Seawater chemistry
Calciummg/l
Builds skeleton — swings break chemistry
Magnesiummg/l
Holds calcium and alkalinity steady
Strontiummg/l
Goes into the skeleton with calcium
Potassiummg/l
Colour and tissue health
Sodiummg/l
Sets salinity
Sulphurmg/l
Sulphate feeds bacteria
Boronmg/l
Buffers pH
Brominemg/l
Minor — part of natural seawater
Iodinemg/l
Colour and soft coral health
No change — all three read 0.00
Siliconmg/l
Feeds diatoms — brown film
Fluoridemg/l
Trace only — no benefit high
Nutrients
Total nitrogenmg/l
Feeds algae
Organic carbonmg/l
Feeds bacterial blooms
Nitratemg/l
Algae fuel — browns coral
Nitritemg/l
Toxic while a tank cycles
Phosphatemg/l
Algae fuel — slows skeleton growth
No change — all three read 0.00
Phosphorusmg/l
Same as phosphate — algae fuel
No change — all three read 0.00
Onyx
Frag Ninja
Our black Onyx plugs are designed to seamlessly blend in with the rack, so nothing distracts from the coral.
Stainless
Fragging
Cutters
The highest quality precision tools to ensure the cleanest cut every time.
Professional grade
SUPER
SET
The strongest, thickest, 100% reef safe aquarium glue. Trusted by fraggers worldwide.