Welcome to the Rock 'N' Critters blog!

This is where you'll find all of our latest updates, as well as insights from our marine aquarium experts. If there's a topic you'd like to see us cover in a future blog post, please feel free to get in touch!

What is a Clean Up Crew? What does it do? Do I need one? What makes up a Clean Up Crew? Let's have a quick run through and a starter for 10 in the world of the Clean Up Crew (CuC). 

More...

 

Creating a marine aquarium is an exciting and rewarding endeavour that allows you to bring a piece of the ocean into your home. While it may seem like a complex task, with the right knowledge and preparation, anyone can set up a stunning marine aquarium. In this guide, we'll take you through the essential steps and equipment you'll need to create a thriving underwater ecosystem.

More...

As a hobbyist, you've probably come across the term "protein skimmer" quite often. This remarkable piece of equipment plays a crucial role in maintaining a thriving reef aquarium by efficiently removing organic waste and harmful substances. In this blog post, we will dive deep into the workings of protein skimmers, explore their numerous benefits, and learn how to fine-tune them for optimal performance.

More...

Tangs, also known as Surgeonfish, are consistently one of the favourite fish kept by hobbyists. In this brief blog post let's quickly talk about Tangs and their care requirements.

More...

How do I keep my aquarium cool in hot weather? Let's take a quick recap on some things you can do to help keep your reef cool and more importantly, at a stable temperature throughout heatwaves.

There are many things that don't go well together in this world and as aquarists one set of things I'm sure we can all agree don't go well together are heatwaves and reef tanks. Reef tanks are all about parameter stability, from nutrients to temperature we're trying our best to keep them within a set range consistently over time. Heatwaves by their very nature have the potential to cause our reef tank temperatures to fluctuate, sometimes to an extreme over a relatively small period of time which can be highly detrimental to the consistency we're trying to maintain. 

So what do we need to do? We need to manage the temperature of our aquariums throughout heatwaves to prevent any livestock losses. And how do we that? Let's look over some of the options available. 

AQUARIUM PLACEMENT

When we talk about actions we can take to combat a heatwave then really we're looking at preventative and mitigating measures. As for preventative measures, well we can't really prevent a heatwave but we can anticipate that they will happen so if you're looking at setting up an aquarium then placement is key! Keeping aquariums out of direct sunlight will help you control the temperature in the aquarium as well as help prevent algae blooms. We can also scope out the coolest part of the house where the temperature is most consistent, this is likely to be in the north east corner of your home. This part of a building will get some sun in the morning but will mostly escape the afternoon sun. 

FANS

Now onto mitigating measures, the heatwave is already underway and we want to get control of the temperature in the aquarium. We can try to increase the airflow around the aquarium and across the water surface to increase the transfer of heat although this will also increase evaporation so expect to use more water in your RO Top-Up. There are mixed reports on how successful this method is, all in all it will probably help initially but if you want to have complete and assured control over the temperature of your aquarium then we need to look at chillers. 

CHILLERS

Another mitigating measure is to install a chiller onto your system. Chillers are essentially refrigeration units which water is pumped through to cool before being returned to the aquarium. You can get chillers which manage the temperature themselves or you can attach them to temperature controllers such as the DD Temperature Controller which will automatically manage the chiller and heater based on a temperature which you set. 

You can also read about keeping your reef cool at this other RockNCritters blog here

And as always, come and see us in store and we can discuss what you can do to combat this heat plus you can see the chillers we have installed on our systems. 

It's been a busy year here at Rock N Critters, the work never stops and the list of Jobs to do never ceases. As the last blog post of 2022 I wanted to do a quick roundup of what the team have been up to. 

More...

Well we can firmly say that the festive season is well on its way now and we'll all soon be gorging ourselves on festive food and drink. What about our reefs though? Do fish and critters know it's Christmas too? Let's do a blog on things festive.

More...

I've not written a blog on fish for quite a while so I thought I would interrupt the coral blog posts with a fish-themed submission. I also realise that so far I have neglected the main stay of marine aquariums everywhere, you know exactly what I'm talking about here and that is the Common Clownfish!

More...

Do you want to start keeping SPS corals but not sure you're ready to jump into the deep end with them? There are more forgiving SPS corals out there which make a great start point. This blog post lists off some options for you if you find yourself getting the 'SPS bug'.

More...

We've been working hard on the Zoanthid side of the house lately both with frags and colonies up for sale. Let's have a look at what's on offer at the moment and why Zoas might be just what you've been looking for in your reef tank!

More...

Our Reward Scheme

Earn points as you spend! £1 = 1 point. Points can be redeemed against future purchases. Sign Up For An Account
Shop
Register an account on the Rock ‘N’ Critters website and order online with confidence.
Earn
Every time you make a purchase, you earn points – 1 point for every pound spent!
Redeem
The points you earn will give you money off future Rock ‘N’ Critters purchases!