Is it safe to fill a kiddie pool from a regular garden hose?
Based on 2 peer-reviewed studiesbaby
Verdict: Use Caution
Not ideal. The first water to come through a hot PVC hose carries leached plasticizers.
What's actually in it
A garden hose that's been sitting in the sun is full of warm, leached water. When you turn it on, that contaminated first flush fills the kiddie pool. Kids drink small amounts of pool water and splash it on their faces.
What the research says
A 2025 study linked phthalates to slower infant neurodevelopment. A 2025 study mapped phthalate intake from real-world exposures.
Run the hose for a minute or two before filling to flush the stagnant water. Better: use a drinking-water-safe hose or fill from an indoor tap.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Impact of prenatal phthalate exposure on newborn metabolome. | Nat Commun | 2025 |
| Plastic additives in the diet. | J Hazard Mater | 2025 |
What to use instead
Browse our vetted, non-toxic alternatives. Every product is third-party certified.
Shop Non-Toxic Baby