Holland Secret H202 29% 4L
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Super concentrated oxygen supplement for healthier root growth.
provides extra oxygen to root areas where water prevents oxygen penetration.
Helps germination, kills bacteria, purifies water and removes chlorine.
Must be diluted before using.
Add 1-2ml per 4L of water. Let stand for 20 minutes, then add to plants.
NOTE: Never add Holland Secret H2O2 to hydroponic systems or nutrient solutions that contain organic or biological additives as Holland Secret H2O2 will destroy them.