https://kairospacetech.com/blog/ Mechanism explainers and field notes on nanobubbles, hydrodynamic cavitation and dissolved oxygen in industrial water. en-us https://kairospacetech.com/blog/aeration-energy-transfer-efficiency.html https://kairospacetech.com/blog/aeration-energy-transfer-efficiency.html Tue, 14 Jul 2026 12:00:00 GMT Field Notes Most of the air a conventional diffuser pushes into a basin leaves it again without dissolving. What oxygen transfer efficiency actually measures, and what a change in it is worth on the meter. https://kairospacetech.com/blog/nanobubble-system-cost-payback.html https://kairospacetech.com/blog/nanobubble-system-cost-payback.html Tue, 09 Jun 2026 12:00:00 GMT Field Notes What drives capital cost, what the running cost is made of, what maintenance the hardware needs, and how to build a payback model you can defend to a CFO — with no price or power figure that has not been cleared. https://kairospacetech.com/blog/nanobubbles-eor-viscosity-wettability.html https://kairospacetech.com/blog/nanobubbles-eor-viscosity-wettability.html Tue, 05 May 2026 12:00:00 GMT Field Notes The published range on nanobubble-assisted viscosity reduction is wide, and the reasons for that spread matter more than the headline. A careful read of what is and is not established. https://kairospacetech.com/blog/nanobubble-flotation-fine-particles.html https://kairospacetech.com/blog/nanobubble-flotation-fine-particles.html Tue, 07 Apr 2026 12:00:00 GMT Field Notes Conventional flotation loses fines because a coarse bubble cannot capture a particle much smaller than itself. What the published flotation literature reports on nanobubble-assisted recovery and reagent demand. https://kairospacetech.com/blog/aquaculture-oxygen-demand-math.html https://kairospacetech.com/blog/aquaculture-oxygen-demand-math.html Tue, 10 Mar 2026 12:00:00 GMT Field Notes Feed drives oxygen demand more reliably than biomass or surface area. The arithmetic for sizing an aeration system from your feed table, and the failure modes of the usual rules of thumb. https://kairospacetech.com/blog/fertilizer-reduction-oxygenated-irrigation.html https://kairospacetech.com/blog/fertilizer-reduction-oxygenated-irrigation.html Tue, 10 Feb 2026 12:00:00 GMT Field Notes Nutrient use efficiency is an oxygen problem before it is a chemistry problem. What published trials show about matched-yield fertilizer reduction, and how to test it on your own ground. https://kairospacetech.com/blog/running-a-nanobubble-pilot.html https://kairospacetech.com/blog/running-a-nanobubble-pilot.html Tue, 13 Jan 2026 12:00:00 GMT Field Notes A pilot that cannot distinguish the technology from the season is not a pilot. How to set controls, what to instrument, how long to run, and the specific confounders that make good numbers meaningless. https://kairospacetech.com/blog/dwc-root-rot-dissolved-oxygen.html https://kairospacetech.com/blog/dwc-root-rot-dissolved-oxygen.html Tue, 16 Dec 2025 12:00:00 GMT Field Notes Deep water culture fails at the root zone before it fails anywhere else. Why oxygen changes the pressure Pythium can apply, what we measured in cannabis, and where chemistry is still required. https://kairospacetech.com/blog/oxygen-rhizosphere-microbiome.html https://kairospacetech.com/blog/oxygen-rhizosphere-microbiome.html Tue, 25 Nov 2025 12:00:00 GMT Field Notes Raising dissolved oxygen shifts which microbes dominate the root zone. That helps — and it is not the same thing as needing less input chemistry. An honest account of where the line sits. https://kairospacetech.com/blog/hydrodynamic-vs-acoustic-nanobubble-generation.html https://kairospacetech.com/blog/hydrodynamic-vs-acoustic-nanobubble-generation.html Tue, 04 Nov 2025 12:00:00 GMT Fundamentals The three ways to make a nanobubble at industrial scale, weighed against the cavitational yield and processing-cost figures the literature actually reports, their throughput ceilings, and what breaks first in the field. https://kairospacetech.com/blog/dissolved-oxygen-vs-oxygen-availability.html https://kairospacetech.com/blog/dissolved-oxygen-vs-oxygen-availability.html Tue, 14 Oct 2025 12:00:00 GMT Fundamentals A DO meter reads a concentration, not a delivery rate. Why supersaturated water behaves unlike saturated water, and what that means for anything with roots or gills. https://kairospacetech.com/blog/nanobubbles-vs-microbubbles-vs-diffusers.html https://kairospacetech.com/blog/nanobubbles-vs-microbubbles-vs-diffusers.html Tue, 23 Sep 2025 12:00:00 GMT Fundamentals Three technologies, three different physical regimes. A side-by-side on bubble lifetime, gas transfer, energy cost, and what each one is actually good for. https://kairospacetech.com/blog/root-hypoxia-yield-ceiling.html https://kairospacetech.com/blog/root-hypoxia-yield-ceiling.html Tue, 02 Sep 2025 12:00:00 GMT Field Notes Roots respire. When irrigation water displaces soil air faster than oxygen diffuses back, roots run anaerobic and yield stops responding to fertilizer. What that costs, and what changes when the water carries oxygen. https://kairospacetech.com/blog/why-nanobubbles-dont-float.html https://kairospacetech.com/blog/why-nanobubbles-dont-float.html Tue, 12 Aug 2025 12:00:00 GMT Fundamentals Bubbles rise because buoyancy beats drag. Below about 200 nm that stops being true. Here is the physics — Stokes drag, Laplace pressure, and surface charge — and what it means for treated water. https://kairospacetech.com/blog/dissolved-oxygen-hydroponic-nutrient-stability.html https://kairospacetech.com/blog/dissolved-oxygen-hydroponic-nutrient-stability.html Mon, 17 Feb 2025 12:00:00 GMT KST Experimental Series How pH and ORP — not dissolved oxygen — drive fertilizer solubility and stability over time in a hydroponic solution. https://kairospacetech.com/blog/low-shear-cavitation-fertilizer-cannabis.html https://kairospacetech.com/blog/low-shear-cavitation-fertilizer-cannabis.html Thu, 06 Feb 2025 12:00:00 GMT KST Experimental Series Evaporation-method microscopy on a fertilizer solution mixed conventionally and mixed through a low-shear cavitator, compared at identical magnification. https://kairospacetech.com/blog/cfu-count-serial-dilution-nanobubble-do.html https://kairospacetech.com/blog/cfu-count-serial-dilution-nanobubble-do.html Tue, 04 Feb 2025 12:00:00 GMT KST Experimental Series Colony-forming units measured by serial dilution across three dissolved-oxygen levels set by nanobubble treatment, against an unoxygenated control. https://kairospacetech.com/blog/enhanced-mixing-dispersion-amendments-nanobubbles.html https://kairospacetech.com/blog/enhanced-mixing-dispersion-amendments-nanobubbles.html Wed, 18 Dec 2024 12:00:00 GMT KST Experimental Series Evaporation-method microscopic analysis comparing solute dispersion in amendment solutions with and without cavitation-generated nanobubbles.