HydrofarmYour order minimum is $1,000. Orders under the minimum incur a surcharge.
Apera pH calibration kit (pH 4/7, 8oz. each) *
Hydrofarm GroStar pH Calibration Kit - pH 4/7
From $13.44
Excl. tax
| SKU | Default | Price | Quantity |
|---|---|---|---|
| hydrofarm-AI61113 | Default | $13.44 |
Can be shipped immediately (408 in stock)
