# How to use Zap to add liquidity in LineHub DEX V3
Traditionally, adding liquidity to concentrated pools like USDT/ETH can be complex and inefficient. For example, converting $10,000 USDT to match the 30% USDT and 70% ETH pool ratio could impact prices or cause transaction failure.
Recognizing this, LineHub has partnered with KyberSwap to introduce KyberZap into Pool DEX v3, streamlining liquidity provision regardless of complexity.
**Key advantages of KyberZap:**
* **Simplified Liquidity:** KyberZap makes adding liquidity as easy as swapping tokens.
* **Price Impact Reduction:** The internal Aggregator ensures efficient token swaps, minimizing price effects.
* **No Leftover Tokens:** On-chain algorithms adapt to pool changes, optimizing token swaps and reducing leftovers.
## How to use Zap to add liquidity?
1. Access LineHub and connect your wallet. \
Go to the Pool section and choose DEX V3 Liquidity.
2. Choose "Single Deposit" and the token you want to add. Zap will automatically suggest some suitable vaults.
3. Pick one from the available vaults.
4. Enter your deposit amount and let Zap handle the rest!
The Zap feature automatically swaps your current token at the best available rate using a DEX Aggregator. It also selects the most optimal liquidity pool and range to ensure maximum profit.
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