# Tetra HT30: specs and price

**Price (US):** $18.99 at thatpetplace.com (ThatPetPlace retail price, verified live 2026-08-16; KensFish lists it at $17.97, a close match.), as of 2026-08-16. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 9 aquarium heaters we track it is the cheapest; category median $39.99.
**Brand:** Tetra
**Deskmark:** Bronze Deskmark — pay-blind category standing 0/100, #10 of 10 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $18.99 |
| Brand | Tetra |
| Wattage (W) | 100 |
| Tank size range gal | 10-30 gal |
| Adjustable thermostat | No |
| Material | glass |
| Fully submersible | Yes |
| Temperature accuracy f | ±2°F |
| Shatterproof guard | No |
| External controller | No |

## Where it stands

At $19, the Tetra HT30 is the cheapest of the 9 aquarium heaters we track, where the median is $39.99. On the spec sheet, its wattage of 100 W is the lowest of the 10.

## Frequently asked questions

**How much does the Tetra HT30 cost?**

The Tetra HT30 has a US price of $18.99 (ThatPetPlace retail price, verified live 2026-08-16; KensFish lists it at $17.97, a close match.), as of 2026-08-16.

**How does the Tetra HT30 compare on price?**

At $19, the Tetra HT30 is the cheapest of the 9 aquarium heaters we track, where the median is $39.99.

**What are the Tetra HT30's key specs?**

Tetra HT30 (Tetra): wattage w 100, tank size range gal 10-30 gal, adjustable thermostat No, material glass, fully submersible Yes. Full sourced spec sheet verified 2026-08-16.

Source: https://www.thatpetplace.com/tetra-ht30-submersible-heater-100-watts (thatpetplace.com, accessed 2026-08-16)
Corroboration: https://www.tetra-fish.com/products/heaters/ht-submersible-heaters.aspx (accessed 2026-08-16)
Canonical: https://frontdeskreview.com/product/aquarium-heaters/tetra-ht30/
Cite: Per The Front Desk Review, the Tetra HT30 price of record was $18.99 as of 2026-08-16 — https://frontdeskreview.com/product/aquarium-heaters/tetra-ht30/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl