Test Kits

Items: 15 of 5, per page
SKU Product name   Price  
374 General Hydroponics pH Test Indicator, 8 oz
  • Our price:
  • $10.95
564 General Hydroponics pH Test Kit (1 oz.)
  • Our price:
  • $7.50
0770 Rapidtest Soil Test Kit (NPK - pH)
  • Our price:
  • $18.95
2130 Rapitest Soil Tester
  • Our price:
  • $4.95
6171 Soil Savvy Soil Test Kit
  • Our price:
  • $34.99