Quote:
Originally Posted by oTOMMYo
http://www.amazon.co.uk/gp/aw/d/B005...sr=8-1&pi=SL75
^^^^ cheap ph pen 
I might be wrong here but i think you waters gonna be to warm? Idk
I had a pathogen problem at 20-21° c so i had to buy a water chiller and was told i could go down to 16°....idk maybe someone will explain .
I think its got to do with dissolvable oxygen in the water works best at a certain temp ?? Idk......im only going by what problem i had?
You may want to google your water temp.
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hey tommy check this link out; Answer: Temperature of the
nutrient solution should be in the range of 65 to 80 degrees Fahrenheit (18 to 26 degrees Celsius).
GENERAL HYDROPONICS: Questions About Water
I Believe That I am within That range with 10 degree's to spare lol
See Its Winter time here where I am at Cleveland ohio temps getting to about 60 degree's During daytime
Also just in case what's a decent low cost chiller? all ones I seen cost a ton of money