pH Test Indicator

Maintain the perfect pH balance with the General Hydroponics pH Test Indicator.

What's Included: 1 oz (30 ml) pH test indicator solution with test vial

Essential for hydroponic systems AND beneficial for soil gardening

This 1-ounce bottle provides quick, accurate readings with just 4 drops in a test vial, giving a clear view of your water's acidity or alkalinity. Ideal for all gardeners, it ensures optimal conditions for thriving plants.

Optimal pH levels are between 5.5 - 6.5 for hydroponics

• Easy color-matching: Compare solution color to included chart
• No batteries needed: Simple liquid test - no electronics to fail
• Accurate readings: Reliable results every time
• Hundreds of tests: 1 oz bottle lasts for months of regular testing
• Includes test vial: Everything you need to start testing immediately

How to Use:

1. Fill test vial with water sample to the fill line
2. Add 4 drops of pH test indicator
3. Cap and shake gently
4. Compare color to pH chart (yellow = acidic, green = neutral, blue = alkaline)
5. Adjust with pH Up or pH Down as needed

Perfect for: Chef's Organic Set, all hydroponic systems, aquariums, pools, and soil gardens.