Pay in 4 interest-free payments of $22.50 Learn more
Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
01 - 44 gpm
Simple to operate - Easy to use
Removable water tank with an automatic shutoff when reservoir is full
The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing
Hydro Usage: Same as Soil
General Hydroponics PRO pH Up 2.5 gal Hm 01 - 44 gpmGeneral Hydroponics Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non corrosive and non
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