Although they’ve been used on reef systems for many years, peristaltic dosing pumps (or ‘peri’ pumps) have become a much more common sight in the last few years being integral to a number of relatively new supplementation regimes. Whereas once, a single peri pump with no particular control, slaving away in some far corner of a cabinet was the norm, modern units offer multiple pumps, digital control, slave options and a range of other features. One such unit is the EASI-Dose from TMC which we look at in this review. Part of a much wider ‘system’ aimed at advanced reef-keepers, the EASI-Dose 3 is, as the name suggests, a triple pump dosing unit. Also in the REEF range by TMC, we have single and double pump units (EASI-Dose 1 and 2 respectively), a 4 pump slave unit, and there are also bespoke shelves for each pump plus a container system which comes in different sizes and can handle aggressive chemicals. In terms of modularity, taking the EASI-Dose 3 as an example, you could feasibly connect 2 slave units to this ‘master’ giving you 11 pump heads in total… easily enough to cover a vast range of systems
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