FishHub

SA's Aquarium Marketplace

Loading…
Skip to content
FishHub
MarketplaceStoreBuild My Tank
HomeBrowseStoreCommunity
Alerts
Me
FishHub

South Africa's aquarium marketplace & species directory.

Explore

  • Listings
  • Marketplace
  • Shops
  • Store
  • Community
  • Blog
  • Rewards

Trust & safety

  • Verified Sellers
  • Live Arrival Guarantee
  • Courier safety guide

Company

  • Claim your shop
  • Features
  • About Us
  • FAQ
  • Contact
  • Pricing
  • Roadmap

Stay in the loop

Join on WhatsApp for updates and community chat.

  • AnnouncementsNews, features, and platform updates
  • Community chatHobbyists, advice, and feedback — no ads

Stock alerts and updates. No spam — unsubscribe anytime.

Terms of ServicePrivacy PolicyCookie PolicyRefund & ReturnsShipping

Questions? Contact us or email support@fishhub.co.za. Store prices include VAT and all mandatory costs.

© 2026 FishHub. All rights reserved.

    StoreHeating & CoolingISTA Heater External 300W
    heater
    inline
    external
    canister filter
    ista

    ISTA · Heating & Cooling

    ISTA Heater External 300W

    External 300W inline heater - heats the water without a heater in the tank.

    Ships from our distributor. Stock is confirmed when your order is picked — if something is unavailable we refund it that day and ship the rest.

    R1 618

    FishHub Pro ships free from R500, instead of R750.

    In stock.

    Order in the next day to make Saturday's courier drop-off.

    Estimated delivery: 2-5 business days after your order is dispatched.

    Free delivery on orders over R750 — below that, delivery is quoted for your address at checkout.

    Shipping weight ~700 g

    Quantity

    1

    Secure checkout via PayFast — we accept

    VISAPaySamsung Pay
    Questions? Chat on WhatsApp

    Sold by FishHub Store. Price includes VAT and all mandatory costs; delivery is calculated at checkout. You have a 7-day cooling-off right and the right to return defective goods (Consumer Protection Act).

    Refund & ReturnsShipping & Delivery

    Nationwide shipping
    Secure checkout
    7-day money-back window

    Product details

    External 300W inline heater - heats the water without a heater in the tank. Plumbed into the canister return, so nothing shows in the display and no fish can be burned against the glass. Needs a canister filter running continuously to work safely.

    Power
    300 W
    Model code
    I-H615
    Type
    External inline heater for canister filters, fitted vertically
    Sensors
    Two sensors reading inlet and outlet water temperature
    Safety
    Automatic shut-off above 36 C

    ISTA Heater External 300W

    R1 618

    Complete your setup

    What this needs to work.

    • ISTA Net Bag 1pc
      ISTA Net Bag 1pc

      R43

    • ISTA 2-Way Control Valve
      ISTA 2-Way Control Valve

      R50

    • ISTA Check Valve Spring
      ISTA Check Valve Spring

      R70

    Customer reviews

    No reviews yet

    Only customers who have bought this product can review it, so every rating on FishHub comes from a real order. Order this one and you can leave the first review — worth 25 loyalty points.

    More in Heating & Cooling

    ISTA Scraper SHORT
    NEW
    ISTAISTA Scraper SHORT
    R107
    ISTA Scraper LONG
    NEW
    ISTAISTA Scraper LONG
    R140
    ISTA Scrubber LONG
    NEW
    ISTAISTA Scrubber LONG
    R140
    ISTA Multilayer Algae Scraper
    NEW
    ISTAISTA Multilayer Algae Scraper
    R153