So, how do we know when to replace LT tank?
I usually replace mine if I see decrease in print quality (round 15-20L) .This number will vary depending on what you print and what resin you are using. In theory, LT tank should last indefinitely. In practice however, print failures put some wear on the tank, and over time, cumulative wear can cause print artifacts. That is why we say conservatively that the tank will last around 20-30k layers. If you don’t usually get print failures your tank will last much longer than that. If you print stuff that is on the edge of what is possible on the Form 2 (very massive parts, not enough supports) , and you get failed prints very often, your tank will not last as long.
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