Skimming is a high speed reading (activity) process and involves visually searching the sentences of a page for meaning or clues to meaning. It is conducted at a higher rate than normal reading speeds rauding, and results in severely lower comprehension rates, especially with information rich reading material. Skimming is considered by reading experts to be hazardous, and should only be used when comprehension is not an important objective.
Speed reading largely involves skimming a text, and also results in a low comprehension rate.
Hence, skimming may effectively lower the concentrations of nitrate and phosphate that may otherwise build up in an aquarium, by exporting the organics that are often precursors to some portion of the nitrate and phosphate present in aquarium water.
Nor does skimming create a need for supplemental strontium, both because strontium is not strongly bound to organics, and because it does not seem to be a useful or necessary additive under most circumstances.
On balance, I believe that skimming is a strong benefit to typical reef aquaria, but each aquarist may need to decide that for themselves, and further data in the future on the exact organics removed and what effects that removal has may tip the balance one way or the other.
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