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  • Hanna Nitrate Checker, Complicated accuracy

    Hanna Nitrate Checker, Complicated accuracy

    The Hanna Nitrate Checker has long been considered missing from Hanna's line-up of pocket checkers which are used by many reef keepers for accurate easy testing of their reef aquarium. Now that the nitrate checker has finally appeared is it possibly too complicated for regular use?

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  • Nitrate in the Marine Aquarium

    Nitrate in the Marine Aquarium

    Talk to any modern reefkeeper and very soon the subject of nitrate will arise. The bane of many a reefkeeper over the last thirty years, rising nitrate and ultimately uncontrollable nitrate levels have long been blamed for the browning of corals, and horrible, nuisance algae. But nitrate and its importance to the marine aquarium has now come full circle, and in three, recent back-to-back conversations with accomplished reefkeepers, all three complained that they didn’t have any nitrate, and were actively looking to create some!

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  • Whats the best marine salt to use?

    Whats the best marine salt to use?

    We often hear in store and even more so on social media people ask “What is the best salt to use?” Ask that question on Facebook and you will get 26 different replies with 26 different brands and types of salt. So let’s look at the fundamentals of our reef keeping hobby the Salt.

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  • Why we choose Tropical Marine Centre for all our Fish

    Why we choose Tropical Marine Centre for all our Fish

    Here at Kraken Corals we pride ourselves on good healthy livestock at the best possible price and as such we only purchase our fish livestock from Tropical Marine Centre.

    Tropical Marine Centre (TMC) has been supplying marine fish and invertebrates for almost 50 years. They have an ethos of supplying the hobby with ethically sourced, well-handled imported fish and wherever possible Tank Bred alternatives. They operate within the UK from three main wholesale trade only facilities.

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  • Starting a Saltwater Marine Aquarium

    Starting a Saltwater Marine Aquarium

    The most exciting time in my experience of keeping a marine aquarium is setting up a new tank. Now not to say that the all the other bits that follow aren’t great but setting everything up how you want it and getting to know all the ins and outs of your new tank and equipment is brilliant.

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