sambogi76
Well-Known Member
I am looking a hydrofarm hmdph200 meter. Does anyone currently use one and what are your thoughts on one? I have seen good reviews on here about a Hanna model but not on this one even though this one seems to be better for the price (going on the stats).
http://www.amazon.com/gp/product/B00132G102/?tag=skimlinks_replacement-20
http://www.amazon.com/gp/product/B00132G102/?tag=skimlinks_replacement-20
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