question:secchi-disk
question:secchi-disk


Author Comment Last activity Moderation
warren "Looks like @shantler, @anngneal and @donblair have written a bit about this! https://publiclab.org/notes/shanlter/07-03-2017/monitor-transparency-..." | Read more » over 6 years ago
nshapiro "Oh those are great finds! I would think for $18 that is probably just as (if not more) affordable as making it one's self (including labor time). I..." | Read more » almost 7 years ago
stevie "Oh that decal is nice! I also found a couple really inexpensive secchi disks $18-$25 verses the Lamotte ones which are around $42-70. https://www..." | Read more » almost 7 years ago
nshapiro "Very cool! i haven't but seems pretty straightforward just like the technique itself. If you have other uses for black and white rust resistant pai..." | Read more » almost 7 years ago