Alkatronic Alkalinity Controller

Our Bestsellers



Alkatronic is an all in one product for serious reefers to automatically monitor and stabilize alkalinity for your reef system. The product works straight out of the box without the need of any other equipment. This product was originally designed by Jonas Roman from Sweden and is commercialized together with FOCUSTRONIC.

Why our delivery is awesome!

Just a few reasons why Charterhouse are the industry leaders

1 Hour Delivery Slot

We provide a 1 hour delivery slot for all Premium Next Day delivery services. No more waiting in all day.

SMS And Email Notification

Your delivery slot will be text and emailed to you. You can then submit a different day or request the parcel is left with a neighbour.

Weekend Deliveries

We now offer deliveries on both days of the weekend. These services can be selected at checkout.

Free Shipping Over £50

Spend over £50 on your order and qualify for free shipping. Next day and timed services available.

Find out more

Pay by Finance

We offer flexible monthly finance options. Credit is subject to application and status.

Find out more

Reward Points

As a thank you, we run the Charterhouse Points scheme. Earn points on every order.

Find out more