Yup, been doing it for awhile. It's been years since I tested TDS but historicly they have been 300-400.
90 Gallon Mixed Reef
https://youtu.be/4t8IjelZwUk
Mixed Reef started in 1997, 10-07-19
https://youtu.be/dh_nLhj1QXc
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"Our crystal clear aquaria come nowhere close to the nutrient loads that swirl around natural reefs" Charles Delbeek
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