do you mean like level or right under the black rim/plastic above glass? I was wondering because skimmer sucks but just rec'd my tunze 9001 and in tank media basket and cannot wait to get home and install!!Most run it at neat the top line ...
. Thank you I did read all of what you said as well just dying to know about this sight window/glass. An ATO is next purchase just spent few hundred on upgrades and hanna checkers all that I need is LED lighting upgrade if not than a chiller but really want LED colors pop so much more with LED than T5 I think anyway and a ATO course those are $100 a whack too. Knew this wasn't a cheap hobby but damn.with a new 9001 you will want to tune the water level to what works best with it... I ran the stock skimmer & to get it to perform, had to keep the water level window, at the top line & top off ever other day... keeping the water levels stable is key for all skimmers and that requires an ATO or adding water atleast every other day,,, hope this helps
I keep the water level just a tad below black rimwith a new 9001 you will want to tune the water level to what works best with it... I ran the stock skimmer & to get it to perform, had to keep the water level window, at the top line & top off ever other day... keeping the water levels stable is key for all skimmers and that requires an ATO or adding water atleast every other day,,, hope this helps