Greenthinsss
Active Member
Hi,
Anyone ever used one of these, could sumone tell me, does this let out co2 when it needs to, ie, measring what in the air???
Thanks
Here is the link..
http://www.hydroponic-shop.com/product_info.php?cPath=33_81&products_id=950&osCsid=c87c85abe9cd439cc355809ae9f86ef6
Anyone ever used one of these, could sumone tell me, does this let out co2 when it needs to, ie, measring what in the air???
Thanks
Here is the link..
http://www.hydroponic-shop.com/product_info.php?cPath=33_81&products_id=950&osCsid=c87c85abe9cd439cc355809ae9f86ef6