All data was collected using an Apogee Instruments Quantum Meter, Model No. QMSW- SS. The intensities are compared to computed values of intensity at depth using Jerlov’s light transmission tables.…
Mike Kirda
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Short Take: Needle Valve Vs. Flow Meter: I’m Going With The Flow
A couple of years back, lured by the prospect of not needing to mix up kalkwasser on a nightly basis, I purchased a used calcium reactor from someone getting out of the hobby. It was a Knop unit with a regulator, needle valve and solenoid.…