can i use a pool ph ? and on those clamp lights should i remove the reflectors, so i can put more lights in there ?

I have a ph meter..plus..hth 6 way test strips from walmart...50 strips to a can...leave reflectors on lights..they put light on plants...when you transplant...mix Perlite with that Miracle Grow..to improve draining...MG holds water ..most growers over water because of that..
 
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