• Bluelab pH Pen for hydroponic water testing
  • Bluelab pH Pen measuring nutrient water in a FlowGrow tower
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Bluelab pH Pen

Bluelab pH Pen

FG-BLUELABPH

$154.00 NZD
$154.00 NZD
Sale Sold out
Shipping calculated at checkout.

Check pH levels with a reliable Bluelab pH Pen.

This handheld meter helps you measure the pH and temperature of your nutrient water, giving you a clearer understanding of whether your reservoir is sitting in a suitable range for plant nutrient uptake.

Useful for home growers who want more accurate pH readings than test strips, especially when refreshing the reservoir, adjusting water conditions, or troubleshooting plant growth.

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A few things to know

How is the gift card delivered?

FlowGrow gift cards are delivered digitally, so there’s no physical card to wait for. After purchase, the gift card details can be shared with the person you’re buying for.

Where can it be used?

The gift card can be redeemed online at FlowGrow towards towers, growing supplies and accessories available on our website.

Can they choose what they want?

Absolutely. That’s the idea. They can put their gift card towards the FlowGrow products that suit their space, growing plans and budget.

How long is my gift card valid for?

FlowGrow gift cards are valid for 3 years from the date of purchase.

Something to grow towards