Best Planted Tank Gear Under $25: Small Upgrades That Punch Above Their Price
By Maya Thornton . 6 min read . Updated June 2026
You do not need to spend a lot to meaningfully upgrade your planted tank setup. The accessories that deliver the most value per dollar are almost always the cheap, unglamorous ones — and they happen to be the perfect place to start. Begin with the Aquarium Co-Op Coarse Sponge Filter , Seachem Prime Freshwater Conditioner , Spider Wood (Azalea Root) Driftwood ; any one of them is an easy buy that pays for itself the first time you use it.
The short answer
The best budget planted tank upgrades under $25 are small, high-utility accessories rather than big-ticket gear. Start with Aquarium Co-Op Coarse Sponge Filter, Seachem Prime Freshwater Conditioner, and Spider Wood (Azalea Root) Driftwood — each is inexpensive, genuinely useful, and a low-risk first purchase.
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The smartest cheap planted tank upgrades
Every pick below is something most planted tank enthusiasts end up owning anyway, which is exactly why it makes such an easy first recommendation. Each costs less than $25 and solves a real, specific problem.
** Aquarium Co-Op Coarse Sponge Filter ** ($8-$18) — Double-sided coarse sponge filter designed for shrimp tanks and planted nano aquariums, providing safe biological filtration with zero risk to baby shrimp and gentle water movement.
** Seachem Prime Freshwater Conditioner ** ($8-$20) — The most recommended water conditioner in freshwater aquatics, dechlorinating tap water and detoxifying ammonia and nitrite without adding copper, making it safe for shrimp and invertebrates.
** Spider Wood (Azalea Root) Driftwood ** ($10-$35) — Branchy, web-like driftwood with a distinctive spider-web silhouette popular in planted aquascapes, leaches gentle tannins and provides natural surfaces for mosses and anubias.
** Seachem Flourish Comprehensive Supplement ** ($10-$20) — The most widely available liquid plant micronutrient supplement in the hobby, covering trace elements, amino acids, and botanical compounds used by aquatic plants weekly.
** GlasGarten Shrimp Dinner Artemia (Baby Shrimp Food) ** ($10-$18) — Fine-particle shrimp food formulated for baby shrimp and juveniles, with artemia and spirulina particles small enough for shrimplets to consume immediately after birth.
** API GH and KH Aquarium Test Kit ** ($10-$18) — Drop-based GH and KH test kit for measuring the water hardness parameters critical to shrimp health, providing fast, accurate readings to verify remineralization targets.
** CO2Art Drop Checker with 4dKH Solution ** ($12-$20) — Glass drop checker with pre-mixed 4 degree KH reference solution providing continuous visual CO2 concentration feedback via a bromothymol blue indicator.
Aquarium Co-Op Coarse Sponge Filter
Double-sided coarse sponge filter designed for shrimp tanks and planted nano aquariums, providing safe biological filtration with zero risk to baby shrimp and gentle water movement.
$8-$18 budget
Seachem Prime Freshwater Conditioner
The most recommended water conditioner in freshwater aquatics, dechlorinating tap water and detoxifying ammonia and nitrite without adding copper, making it safe for shrimp and invertebrates.
$8-$20 budget
Spider Wood (Azalea Root) Driftwood
Branchy, web-like driftwood with a distinctive spider-web silhouette popular in planted aquascapes, leaches gentle tannins and provides natural surfaces for mosses and anubias.
$10-$35 budget
Seachem Flourish Comprehensive Supplement
The most widely available liquid plant micronutrient supplement in the hobby, covering trace elements, amino acids, and botanical compounds used by aquatic plants weekly.
$10-$20 budget
GlasGarten Shrimp Dinner Artemia (Baby Shrimp Food)
Fine-particle shrimp food formulated for baby shrimp and juveniles, with artemia and spirulina particles small enough for shrimplets to consume immediately after birth.
$10-$18 budget
API GH and KH Aquarium Test Kit
Drop-based GH and KH test kit for measuring the water hardness parameters critical to shrimp health, providing fast, accurate readings to verify remineralization targets.
$10-$18 budget
CO2Art Drop Checker with 4dKH Solution
Glass drop checker with pre-mixed 4 degree KH reference solution providing continuous visual CO2 concentration feedback via a bromothymol blue indicator.
$12-$20 budget
Why start with the cheap stuff
Inexpensive accessories convert better than flagship gear because the decision is low-stakes — there is almost no hesitation on a sub-$25 item that solves an obvious problem.
If you are weighing one upgrade, start at the top of this list and work down. None of these will be wasted money; they are the items experienced planted tank people quietly consider essential.
Featured in this guide
Aquarium Co-Op Coarse Sponge Filter
Double-sided coarse sponge filter designed for shrimp tanks and planted nano aquariums, providing safe biological filtration with zero risk to baby shrimp and gentle water movement.
$8-$18 budget
Seachem Prime Freshwater Conditioner
The most recommended water conditioner in freshwater aquatics, dechlorinating tap water and detoxifying ammonia and nitrite without adding copper, making it safe for shrimp and invertebrates.
$8-$20 budget
Spider Wood (Azalea Root) Driftwood
Branchy, web-like driftwood with a distinctive spider-web silhouette popular in planted aquascapes, leaches gentle tannins and provides natural surfaces for mosses and anubias.
$10-$35 budget
Seachem Flourish Comprehensive Supplement
The most widely available liquid plant micronutrient supplement in the hobby, covering trace elements, amino acids, and botanical compounds used by aquatic plants weekly.
$10-$20 budget
GlasGarten Shrimp Dinner Artemia (Baby Shrimp Food)
Fine-particle shrimp food formulated for baby shrimp and juveniles, with artemia and spirulina particles small enough for shrimplets to consume immediately after birth.
$10-$18 budget
API GH and KH Aquarium Test Kit
Drop-based GH and KH test kit for measuring the water hardness parameters critical to shrimp health, providing fast, accurate readings to verify remineralization targets.
$10-$18 budget
CO2Art Drop Checker with 4dKH Solution
Glass drop checker with pre-mixed 4 degree KH reference solution providing continuous visual CO2 concentration feedback via a bromothymol blue indicator.
$12-$20 budget
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