Coral Fragging Guide: All About Soft And Stony SPS LPS

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You’ll cut softies like mushrooms with a fresh razor—easy, forgiving, almost boring—then graduate to SPS where your hands better not shake, since Bird’s Nest snaps clean but melts fast under bad light.

LPS sits in that awkward middle ground, patient until it isn’t, needing bone shears for thick skeleton and epoxy that sets underwater as you’re holding your breath.

At A Glance

Use razor blades for soft corals and cutters or saws for stony corals to ensure clean cuts.
Wear nitrile gloves, P100 respirators, and sealed goggles to protect against coral toxins.
Dip frags in iodine or coral extracts, then quarantine for 14 days to prevent infection.
Mount frags with superglue gel for SPS or reef-safe epoxy for LPS and encrusting types.
Maintain gentle flow, reduce lighting slightly, and delay nutrient dosing during the 48-hour healing window.

Coral Fragging Explained: Cloning Corals in Home Aquariums

When you’re staring at a coral colony that’s grown from a tiny frag into a sprawling centerpiece, you might start wondering—not greedily, just *practically*—whether you could turn that success into two.

Now, fragging’s cloning, plain and simple. You take a slice or snip, that piece grows its own skeleton, its own genal genetics preserved like a blueprint.

Market trends say home propagation‘s booming—hobbyists trading, selling, building community tanks together.

You join something bigger: sustainable practice, shared knowledge.

Softies split easy with scissors; stony needs precision cutting. Both heal, both thrive.

You’ve done this before, really. Just with houseplants.

Many fraggers use a magnetic acclimation box to safely isolate and acclimate new coral cuts while maintaining gentle water flow from the main tank’s filtration system.

Coral Fragging Safety Gear: Gloves, Masks, and Toxin Protection

Several coral toxins don’t announce themselves with pain right away, and that’s the trouble—you’ll slice a mushroom, think nothing of it, maybe rub your eye an hour later, and suddenly you’re explaining to an ER nurse why your face looks like a balloon. Now, glove material matters: nitrile’s your friend, not latex, which tears too easy when you’re wrestling a stubborn torch. Toxin filtration keeps you breathing clean, so strap on a respirator with P100 cartridges, not some dinky dust mask from the garage. I mean, we’re family here, and families don’t let families swell up. Respect the craft, suit up, join the club. Once you’re set up, don’t forget that proper aquarium lighting systems matter just as much for your coral’s health as your safety gear does for yours.

Gear Type	What You’re After
Gloves	Nitrile, 8 mil minimum, elbow-length if you’re fancy
Respirator	P100 or better for toxin filtration
Eyewear	Sealed goggles, not your reading glasses

Coral Fragging Tools: Razors, Cutters, and Dremel Wheels

Once you’re suited up and not itching to test your health insurance, it’s time to talk steel. You’ll need precision instruments, but don’t blow your budget on gear you can’t maintain.

Razor blades and scalpels slice soft tissue clean, though they dull fast—sharpen or replace often for safety.
Coral cutters and bone shears handle branching stony corals; quality pairs run $30-80, and tool maintenance (rinse, dry, oil) extends life dramatically.
Dremel wheels with diamond bits conquer thick skeletons, I mean, you *could* hack away with snips, but clean cuts reduce infection risk and support cost reduction through healthier frags that sell.

Maintaining pristine water quality for healing frags benefits from acrylic disk flow management that reduces micro-bubbles and turbulence in your sump system.

Now get cutting.

Fragging Soft Corals: Mushrooms, Xenia, and Leathers

So you’ve got your blade ready and you’re staring down a mushroom coral that’s basically invading your neighbor’s rockwork—now what? You’re looking at the easiest entry point into this hobby, friend.

Mushroom propagation couldn’t be simpler. Slice clean through, no fancy gear needed—just that razor you’ve already sanitized. Give it a dip, maybe a rubber band if you’re feeling fancy, done.

Xenia tissue regeneration? Cut a stalk, watch it melt into pulsing new colonies. Almost insulting, really, how little they need you.

Leathers oblige the same way. Cut, dip, float.

You’ve joined the club now. Trade wisely.

For dipping these soft coral cuts, many reef keepers reach for plant-based extracts like those found in Two Little Fishies Revive or Brightwell Koral MD, which offer gentle pest removal without the tissue-burning risks of iodine formulas.

SPS Fragging: Acropora, Torches, and Branching Corals

Why settle for the easy stuff when you can wrestle with the divas of the reef? SPS fragging separates the dedicated from the dabblers, and you’re ready to join that circle.

Snap your coral cutters at the branch base—clean, quick, no second-guessing the angle.
Master Torch lighting: too dim, and they sulk; too fierce, and they bleach, so aim for that sweet spot, maybe 250-300 PAR, though your mileage varies.
Respect Acropora genetics: you’re cloning masterpieces now, passing living art to fellow reefers.

Glue your frag, dip it, and welcome to the club nobody leaves.

When working with branching corals like Acropora, consider using Aragonite and calcium carbonate frag racks from the 7-Hole Barnacle Cave Frag Rock or 10-Hole Coral Frag Plug Rack to provide stable, reef-safe mounting surfaces that promote bacterial colonization and natural water flow around your delicate SPS frags.

Fragging LPS Corals: Scalpels, Shears, and Clean Cuts

Most LPS corals will test your nerve before they test your skills, and you’ll need steadier hands than you needed for those branching SPS showboats. You’ll reach for scalpels, shears, and coral cutters—tools that demand respect, not fear.

Tool	Purpose
Scalpel	Precise tissue separation
Bone shears	Clean skeletal cuts
Fragging scissors	Soft tissue trimming
Diamond blade	Thick skeleton scoring
Reef-safe epoxy	Stable mounting post-cut

Now, LPS tissue healing takes weeks, not days. You’ll wait, watching polyp extension return. Fragging ethics mean never cutting more than you can care for, never rushing frags to market half-healed. You’re building trust here, community standing. While patience is essential in coral work, many aquarists also appreciate low-light aquatic plants for their forgiving nature when establishing new tanks.

Encrusting Coral Fragging: Bandsaws for Thick Skeletons

Once you’ve made peace with the slow healing of LPS frags, you’re ready for something denser. Encrusting corals—Chalice, Acanthastria, Goniopora—demand respect for their skeletal density, and you’re stepping into bandsaw territory now, friend.

Your blade choice matters here. Thick skeletons laugh at clippers, so you’ll fire up a water-cooled bandsaw with a diamond-edged blade. I mean, you didn’t skim that maintenance manual for nothing, right?

Check blade tension weekly; loose teeth wander, bind, and shatter your frag.
Flush mineral deposits from the water reservoir—skeletal density means longer cuts, more heat, more mineral gunk.
Lubricate the guide assembly monthly; sticky rollers mean wobbly cuts, and nobody trusts a crooked Chalice.

Respect the machine, and it’ll respect your frags.

Just like acrylic body construction in quality protein skimmers resists corrosion and ensures long-term durability, your bandsaw’s water-cooled system needs similar attention to mineral buildup and material integrity.

Mounting Frags: Glue, Epoxy, and Attachment Methods

How exactly do you get a wet, wobbly frag to stay put long enough to grow roots—er, skeleton—without floating off like a tiny, expensive boat?

How do you stick a wet, wobbly frag that wants to float away like a tiny, expensive boat?

Now, Glue selection matters more than you’d think. Superglue gel‘s your friend for SPS frags, thick enough not to run, thin enough to bond before the water wins. LPS? You’ll want reef-safe epoxy, something you can knead like questionable dough. For faster underwater work, consider epoxy formulas rated for 5-15 minute set times, which can significantly reduce the waiting period in a wet, mossy environment.

Epoxy curing takes patience, maybe ten, fifteen minutes—though I mean, who’s counting when you’re underwater and everything’s already mossy and strange? Press, hold, release. You’re building something here, attachment by attachment, joining the ranks of people who’ve stuck their hands in tanks for weaker reasons.

Coral Fragging Aftercare: First 48 Hours of Healing

You’ve stuck something to a rock, more or less—congratulations, that’s honestly half the battle—and now the real work begins. The first two days make or break your frag, so settle in, friend.

Your to-do list:

Dial back that healing flow to a gentle whisper—just enough to clear waste, not enough to blast that fresh cut into submission.
Hold off on nutrient dosing immediately; let the wound close before you start spoon-feeding, maybe 48 hours, maybe 72, I mean, who really knows?
Watch like a hawk, resist poking, and trust the process. You’ve got this.

Consider reducing your PAR intensity slightly during this vulnerable window, as freshly cut corals are more sensitive to light stress while redirecting energy toward tissue repair.

Healing Water Chemistry: Alkalinity, Calcium, and Flow

Since your frag is basically an open wound wearing a calcium skeleton, water chemistry isn’t just important—it’s the whole game now. You’re in this hobby alongside thousands of reefkeepers who’ve learned the hard way, and now it’s your turn.

Get your alkimate monitoring dialed in first—aim for 8-12 dKH, calcium 350-450 ppm, don’t obsess over exact numbers, nature’s messy.
Flow optimization matters more than you’d think: too gentle, and waste builds up; too aggressive, you’ll blast that healing tissue right off.

Start moderate, watch your polyp behaviour, adjust accordingly. I mean, you’ve got this.

Just as chelated iron keeps essential nutrients available in planted tanks despite challenging water conditions, maintaining stable alkalinity and calcium levels ensures your coral frag can properly deposit its calcium carbonate skeleton during healing.

Dip and Quarantine: Stop Infections Before They Start

Stop Infections Before They Start

Infection dip protocols matter here. You’re not just rinsing; you’re hunting nudibranchs, flatworms, bacterial stowaways.

Quarantine tank design keeps you in the club—rogue frags tank whole systems. And you don’t want that conversation.

Your three-step ritual:

Dip the frag—iodine or coral-specific solution, five to ten minutes, maybe, depending on who you ask
Inspect under magnification, since you’re paranoid and that’s good
Isolate fourteen days minimum, watch for tissue recession, polyp behavior, anything off

You’re building trust here. Your corals’, certain, yet also the community’s.

When to Frag: Waiting Periods for New and Recovered Corals

Waiting Periods for New and Recovered Corals

Your new coral might look ready for the knife the moment it hits your tank, patience isn’t just a virtue here—it’s insurance. I mean, you’re eager to join the fragging community, but rushing invites disaster.

Wait four to six months minimum. You’re doing season frag testing here—watching how your coral responds to changing light, flow, and chemistry across months. It’s your membership dues, really.

Now, colony sizing matters too. Never hack more than twenty-five, thirty percent off a mother colony. Let her recover fully. You’ll know she’s ready when polyps extend, tissue thickens, and growth accelerates. Then, and only then, you cut.

Easiest Corals to Frag vs. Species to Avoid

Coral Fragging Guide for Beginners

Once you’ve paid your dues watching corals season in your tank, you’ll want to pick your battles wisely. Species selection compare sessions with fellow hobbyists reveal who’s cutting corners and who’s playing the long game.

Paid your dues watching corals season? Pick your battles wisely—species selection separates corner-cutters from those playing the long game.

Start soft — mushrooms, leathers, and Green Star Polyps forgive sloppy cuts and heal fast, no violet bleaching nightmares.
Branch into SPS — Bird’s Nest and Montipora reward steady hands with frags that actually sell.
Avoid the divas — Goniopora, Sun corals, and Trachyphyllia waste your time, die ugly, and trash your reputation.

Fragging for Profit: Startup Costs and Realistic Earnings

Since you’ve already mastered the basics of slicing mushrooms and nursing Bird’s Nest stubs back to health, you’re probably wondering whether your aquarium obsession could pay for its own electricity bill—or, better yet, your mortgage.

Startup Reality

Equipment: $5,000+ (tanks, lights, pumps, that Dremel you covet)
Monthly operating costs: ~$1,000 (salt, electricity, supplements, inevitable Do-Over Days)
Realistic earnings: $1,200–$3,500/month, if you’re grafting frags like it’s your second job

Now, profit margins shrink fast when you’re learning. Market demand fluctuates—everyone wants torches until nobody does. You’re competing with established growers who’ve got mother colonies older than your reef tank.

Start small: trade with your LFS first
Build reputation before inventory
Expect 6–12 months before breaking even

Honestly? Most people find covering their hobby costs counts as winning.

Frequently Asked Questions

Can I Frag Corals During a Tank Cycle?

No, you shouldn’t frag corals during tank cycling. Your system isn’t stable yet—ammonia and nitrite spikes will stress or kill frags, and your lighting schedule probably isn’t dialed in either.

Wait 4–6 months after cycling finishes, until parameters hold steady and your coral’s healthy. Patience now saves you from watching expensive frags melt, and you’ll join the hobby knowing you did right by your tank.

Do Frags Inherit Mother Colony Diseases?

Yes, frags absolutely can inherit mother colony diseases—disease transmission runs straight through that cut tissue, no dodging it.

Now, you’re not doomed: genetic resilience varies by species, so some clones shrug off pathogens while others crash fast.

You dip, you quarantine, you watch.

But there’s no guarantee, I mean, biology’s messy like that. Sterile tools help. Patience helps more.

How Do I Remove Old Glue From Frag Plugs?

You’ll remove old glue from frag plugs through patience, heat, and solvent. Tool selection matters: grab needle-nose pliers for peeling, a razor blade for scraping, and a heat gun or hair dryer—set to low, maybe 200-300°F, though who’s counting?—to soften stubborn reef glue or superglue residue.

Work slowly, rotate the plug, and let the warmth do the heavy lifting. Rinse thoroughly before reusing.

Will Fragging Trigger Coral Spawning?

Fragging won’t trigger spawning. Spawning timing follows moon cycles and seasonal cues, not stress. You’re interrupting tissue, not romance.

Water chemistry shifts—pH bumps, minor ammonia spikes—signal danger, not sex. Corals spawn when nights lengthen, temperatures hold steady, maybe 78–82°F, and lunar phases align. Fragging mid-cycle? You’ve just annoyed them, not seduced them.

Can I Frag Corals Under Blue LED Lights Only?

You shouldn’t frag under blue LED lights only. Here’s why that matters:

LED spectrum—pure blue lacks the full photosynthetic range corals need during recovery.
Frag survival drops when you can’t see tissue damage clearly, and blue light masks problems. You’ll cut blind, basically.

Now, your frags need energy to heal, certainly, but they also need you to *see* what you’re doing. I mean, precision counts here.

Use white light, or white-plus-blue at minimum—something around 6,500K to 10,000K—with blue as accent, not the whole show. And yes, you want your workspace bright enough that you spot problems before they spread.