The aquarium community swap
Snip it.Share it.Grow it.
Plant trimmings, shrimp & fish from hobbyists around the corner — free, swapped, or sold. Set Trim Alerts for what you're hunting, and trade with people the community has rated.
No account needed to browse.
How it works
From your tank
to theirs.
- 01
Trim day
Your stems hit the surface again? Snap a pic, set it free, up for swap, or a few bucks.
- 02
Get found
Hobbyists within your radius see it instantly. Filter by cost and local pickup or shipped.
- 03
Chat & trade
DM to set the details. Meet up or ship — you two decide. Then rate each other.
Try it — it's live
What's growing near you?
Filter by cost, pickup or shipped, and how far you're willing to drive. (Sample listings shown — the real ones live in the app.)
8 listings found
New · Trim Alerts
Never miss
the good stuff.
Hunting for that one Buce? Save a keyword and we'll ping you the moment someone nearby posts it. Free trims go fast, so you'll hear about them first.
- Only within your radius
- Filter by free, swap or buy
- Instant or daily digest
- Push, email or in-app
9:41
Saturday · trim day
- TankTrim · Trim Alertnow
🔔 “Bucephalandra” near you
Bucephalandra 'Wavy Green' — 3 rhizomes · Swap · 4 mi · @bucepHQ
- TankTrim · Trim Alert4m
🔔 “Cherry shrimp” near you
Bloody Mary shrimp ×10 · $25 · 6 mi · @neoNerd
👀 8 hobbyists within 10 mi want Bucephalandra.
Got extras? Post them!
@neoNerd
Member since 2024 · 88 trades
"All 10 shrimp arrived lively and colored up. Threw in extra moss too!"
Rated both ways
Buyers + sellers
Trust & ratings
Trade with people you can trust.
Every trade ends with a rating — sellers rate buyers, buyers rate sellers. Reputation follows you, so the good folks rise to the top and the flakes float away.
- ✓Two-way ratings after every trade
- ✓Public profiles with trade history
- ✓Report & block in one tap
- ✓Community-written guidelines
Built for the hobby
It's a marketplace.
It's a fish club.
DM anyone
Haggle, plan a meetup, or nerd out about CO₂ — privately.
Comment on posts
Ask about parameters, lighting, or how fast it grows.
Browse logged out
Lurk all you want. Sign up when you're ready to chat or post.
Trim Alerts
Save a keyword like "Buce" and get pinged when one pops up nearby.
Pickup or shipped
Sellers choose. You filter. Nobody wastes a trip.
Phone-first
Built for posting from the tank stand with wet hands.
Anywhere there's a tank
Your neighborhood. Every neighborhood.
TankTrim works wherever hobbyists are. We connect you — you two sort out cash, swaps, meetups, and shipping however works best locally. No middleman, no fees to trade.
On the way
TankTrim, in your pocket.
Native apps for iPhone and Android are coming, with instant Trim Alerts, quick photo posting from the tank stand, and DMs that pop up the moment someone replies.
Don't want to wait? TankTrim already works in any phone browser. Add it to your home screen and it feels just like an app. Members will be the first to hear when the apps land.
Join now, get the apps firstYour tank has extras. Someone nearby needs them.
Free to browse. Free to join. Snip, share, grow.