The simple way to try a bidet: no power, no plumber, no permanent changes
The BioBidet SlimEdge is a cold-water bidet attachment for people who want the essentials done well: a posterior wash, a feminine wash, adjustable pressure, and an install that leaves the toilet exactly as you found it. It is the model we point renters, students and first-time bidet buyers to first.
Best for
- Renters and apartment dwellers — reversible install, no landlord approval needed
- First-time bidet owners who want to start simple before an electric seat
- Bathrooms with no outlet near the toilet
- Multi-bathroom households and landlords fitting several toilets on a budget
Not ideal for
- Anyone who wants warm water — see the BB-270 Duo (hot/cold) or step up to an electric seat like the Slim Three
- Skirted toilets or non-standard one-piece bowls — check the fit checklist below first
- Travel use — that is a job for a portable like the TP-70 The Palm
What the SlimEdge does
The SlimEdge is mechanical: water pressure from your supply line does all the work. One knob controls everything, and the ultra-slim profile sits between the toilet and the existing seat.
- Dual retractable nozzles. A posterior wash and a gentler feminine front wash; the nozzles retract and stay protected when not in use.
- Pressure control dial. Side-mounted comfort-grip knob adjusts spray intensity from a trickle to a firm stream — you control pressure directly at the dial.
- Cold-water wash. Connects to the toilet’s cold supply line only; wash temperature matches ambient pipe temperature.
- Anti-slip mounting. Two mounting brackets, two non-slip mats and three seat bumpers keep the attachment and seat stable.
Honest trade-offs
No non-electric attachment does everything an electric seat does. Before you order, know what the SlimEdge gives up:
- Cold water only. There is no temperature control. If cold-water washing puts you off — especially in winter — the BB-270 Duo adds hot/cold mixing, or an electric seat heats the water properly.
- No heated seat, dryer or night light. Those comforts start with electric seats such as the BB-550 or Slim Three.
- Seat bumpers may be needed on some seats. The included bumpers level seats that sit slightly high over attachments — normal for this product category.
Before you order
- Toilet type: fits standard two-piece toilets (round and elongated bowls) and most one-piece toilets. Deep-skirted one-piece models may not have room — measure first.
- Tank space: the attachment mounts under the seat against the tank; check nothing (shelves, cabinets, bidet bars) blocks access to the side-mounted dial.
- Water connection: replaces the toilet’s supply-line connection at the tank with the included T-valve. Your supply hose needs a 7/8-inch end for the T-valve and a 3/8-inch or 1/2-inch end at the wall shutoff; for other set-ups, email us before you order.
- One dial, two lines? No — the SlimEdge uses the cold line only. If you want hot water at the attachment, look at the BB-270 Duo.
- Install: shut off the water, remove the seat, mount the bracket, connect the T-valve and hose, reattach the seat. Fully reversible — reinstall the original setup when you move.
How the SlimEdge compares
SlimEdge vs BB-270 Duo
The BB-270 adds hot/cold dual water inputs, but needs both a hot and a cold supply line within reach of the toilet. Choose the SlimEdge for the simplest single-line install; choose the BB-270 for warm washing without electricity.
SlimEdge vs TP-70 The Palm
The TP-70 is a handheld 450 mL squeeze bottle for travel, camping and postpartum care — it goes where you go but holds one refill at a time. The SlimEdge stays installed and draws unlimited water from the supply line.
Step up to electric: Slim Three
An electric seat adds heated water on demand, a heated seat and warm-air drying. The Slim Three is our entry electric seat in round and elongated fit — the usual next step after starting with an attachment.
What's included
- SlimEdge bidet attachment (slim white body)
- T-valve connector
- Water supply hose
- 2 mounting brackets and hardware
- 2 non-slip mats and 3 toilet seat bumpers
- Teflon tape for leak-free connections
- Installation instructions
- 1-year limited manufacturer warranty
Warranty and support
The SlimEdge carries a 1-year limited warranty from BioBidet covering manufacturing defects under normal use. Bought it from Toiletland? Email us your order number and we will troubleshoot with you first, then handle the warranty claim if needed.
Frequently asked questions
Does the SlimEdge need electricity or batteries?
No. It is fully mechanical — household water pressure powers the spray. There is nothing to plug in and no battery to replace.
Will it fit my toilet? I rent and cannot modify anything.
It fits standard two-piece toilets with round or elongated bowls, and most one-piece toilets. Installation reuses your existing seat bolts and adds a T-valve at the tank’s supply connection — all reversible. Moving out? Uninstall takes about as long as installation, and the toilet returns to its original state.
Is the water cold?
Yes — the SlimEdge connects to the cold supply line only, so wash temperature matches room-temperature pipe water. For warm washing without electricity, see the BB-270 Duo, which mixes hot and cold lines.
How strong is the spray?
Pressure depends on your home’s water pressure, and the side dial controls how much reaches the nozzle — from a gentle rinse to a firm stream. Most people find a comfortable setting within the first few uses.
How hard is installation really?
Basic tools only: shut off the water at the tank, remove the seat, set the bracket and non-slip mats, connect the T-valve and hose, reattach the seat. Teflon tape and instructions are included; no plumber needed.
What warranty comes with it?
A 1-year limited warranty from BioBidet covering manufacturing defects under normal use. Toiletland supports the claim process for products bought here.
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