For those of us that use calcium reactors, a good bubble counter is ideal to measure and count bubbles flowing into your reactor. Cal Aqua labs has a different take that could easily be applied to reef keeping. The bubble counter is actualy a 2 in 1. One side gives you normal bubbles, however just a quick flip of the counter gives you larger bubbles in a high flow configuration. The tapered design gently guides the bubbles upwards and allows larger bubbles to be formed, effectively slowing down the bubble rate. This allows high CO2 flowrates (up to 10-15 bubbles per second when measured on a typical bubble counter) to be easily monitored. Granted a check valube and needle valve are needed but just imagine the envy your friends will have when the see this novel product and at around $39 they can have it too.
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