Topic
8 guides.
An ATO replaces evaporated water automatically so salinity stays steady. XP Aqua's Duetto 2 has two optical sensors and two layers of overfill protection. Here are four more.
Fluval's E200 is the heater we would put in a 40 to 55 gallon tank. Here is how it compares with EHEIM's thermocontrol e, a titanium heater with a controller, Inkbird's safety controller and a preset budget pick.
Coralife's Turbo-Twist 3X is the UV sterilizer most tanks under 125 gallons should start with. Here is what UV does, what it does not, and which type fits your filter.
A reef needs roughly 20 to 40 times its volume in flow every hour. Here is the controllable DC wavemaker we would buy, simple circulation pumps, and a crossflow option.
Fluval's 307 is the canister most mid-size tanks should start with. Here is how it compares with the 207, the FX4, EHEIM's Classic 250 and OASE's heated BioMaster.
Reef Octopus's Classic 110-INT is the skimmer we would put in a sump on a 40 to 75 gallon reef. Here are the nano options for all-in-one tanks and a DC skimmer for big systems.
Kessil's A160WE Tuna Blue is the reef light we would put over a 20 to 40 gallon reef. Here is how it compares with Red Sea's ReefLED G2, NICREW's HyperReef and a budget panel.
Reef tanks and soft-water fish need RO/DI water; most community tanks do fine on conditioned tap water. Here is what RO removes, what it wastes, and the units we would buy.
