---
product_id: 6909700
title: "Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums"
brand: "fish mate"
price: "$90.70"
currency: USD
in_stock: true
reviews_count: 13
category: "Fish Mate"
url: https://www.desertcart.us/products/6909700-fish-mate-p21-programmable-automatic-fish-feeder-for-pond-large
store_origin: US
region: United States of America
---

# Waterproof & weather-resistant 21-day feeding capacity Precision quartz timer Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums

**Brand:** fish mate
**Price:** $90.70
**Availability:** ✅ In Stock

## Summary

> 🐟 Keep your aquatic ecosystem thriving—automate feeding like a pro!

## Quick Answers

- **What is this?** Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums by fish mate
- **How much does it cost?** $90.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/6909700-fish-mate-p21-programmable-automatic-fish-feeder-for-pond-large)

## Best For

- fish mate enthusiasts

## Why This Product

- Trusted fish mate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for the elements:** Durable waterproof design runs on a single AA battery for up to 1 year outdoors.
- • **Reliable quartz timing:** Accurate daily schedules so your fish never miss a meal—even when you do.
- • **Slow-release technology:** Gradual dispensing mimics natural feeding, keeping water crystal clear.
- • **Effortless 3-week feeding:** Holds up to 21 meals—perfect for busy pros and vacation mode.
- • **Precision portion control:** Customizable feed settings to match pellets, flakes, and more—no overfeeding, no waste.

## Overview

The Fish Mate P21 is a programmable automatic fish feeder designed for ponds and large aquariums, offering up to 21 days of scheduled feeding with adjustable portion control. Its slow, controlled dispensing mimics natural feeding patterns to reduce waste and maintain water quality. Built with a waterproof, battery-operated design and a precision quartz timer, it ensures reliable, hassle-free feeding while you're away or busy.

## Description

desertcart.com : Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums : Pet Self Feeders : Pet Supplies

Review: Simple solution that really works - It's closer to 4.5 stars. I've used the drum autofeeders in the past and hated them because it's so hard to guess the opening for the right amount of food to dispense, and the moisture makes short, moldy work of flake food. I have 4 tanks, I bought one to try out: it was a bit frustrating at first because the tray moves/lifts off so easily that it took me 3 (irritating) tries to get the food in and the feeder situated on the aquarium. I learned it's very helpful to stick a fat pen (sharpie, etc) into the opening to keep it from spinning. The aquarium I tested it out on is 55 gal, and that has the LED light inserts - I just removed one of the lights, pulled back the plastic cover that protects the light, and set the feeder so that the opening was over the exposed water. It was too close to the water for the flake food, and I was not interested in hooking up an air pump, so I elevated it by putting some cut wood paneling pieces under it to raise it about 4". That helped tremendously, but sometimes the flakes still got too moist and wouldn't dispense because it stuck to the sidewalls of the tray. So rather than raise it anymore, I just opened the cover - viola! That did it. I have several different kinds of fish, so in addition to flakes, there are shrimp pellets, freeze-dried bloodworms, and algae tablets (broken into pieces. What makes this great is that it dispenses exactly the amounts of the different foods rather than random mixture from the drum-style feeders and this is what sold me. I have ordered 3 more for my other tanks - all of which I can make work in a very similar fashion. Do test it out before you go on vacation - make sure you've worked any of the bugs out and that you're confident it will work while you're gone. I was ready to get rid of my tanks because it was so stressful trying to arrange someone to come over to feed them while I was out of town, but now this has removed the stress and I'm glad that I can keep my fish tanks:) The cons are the irritation at how easily it is to mess up the food you so carefully distribute into each cell, just by a little bump (thus having to do it all over again), and the price - I don't see how in the world this thing should cost almost $25 - that's highway robbery for such a simple gadget (no LCD display or anything - just a simple clock mechanism and all plastic parts). But I'm obviously willing to pay it because it's a simple solution that works really well. *Update, I'll bump it up to 4.75 stars (still the price factor is ridiculous), but I did order the other 3 and have them all on my tanks. They work so well, I use them as everyday feeders (they were originally intended as vacation feeders only). Using them creates less wasted food because it dispenses a little at a time over an hour, so the fish have time to get it all rather than having some of it get sucked up in the filter. I have it feed them 2x a day - so once a week I fill all the feeders (it's helpful to remove the feeder, set it on a table, stick a fat pen (or something comparable) into the opening to stop the wheel from spinning, and use a small funnel when adding food to the chambers.)
Review: Workable solution for taking an out of town. - The item works much like the lamp timers one would use. Very straightforward in that respect. There are a number of hoppers that you place desired food in and it will turn to open those in a Ferris wheel type motion. Flakes, small pellets, and some other thin items are not going to work well since they will both slip below the carousel but also get sticky from humidity and not clear the device. It works well enough to use those items for a few days and doesn't pose the risk of ammonia overload like the dissolve tablets tend to do. For occasional use, far above a tank, or even exploring the air pump option (opening the lid did not work in my case) this is a pretty good device. Cannot recommend as a hands off solution without constant supervision over a few days of from clean use.

## Features

- 21 DAY FEEDING CAPACITY: Holds enough food to provide up to 21 scheduled meals, making it ideal for vacations, weekends away, and busy routines while keeping pond and aquarium fish consistently fed
- SLOW AND CONTROLLED DISPENSING: Gradually releases food over several hours to help reduce overfeeding and mimic natural feeding patterns while supporting cleaner water conditions
- ADJUSTABLE PORTION CONTROL: Customizable feed settings allow you to adjust quantity and timing to suit pellets, flakes, and most common pond and aquarium fish foods
- WATERPROOF BATTERY OPERATED DESIGN: Durable weather-resistant construction suitable for outdoor ponds and large aquariums with up to 1 year of operation on 1 AA battery not included
- PRECISION QUARTZ TIMER: Reliable quartz timing mechanism ensures accurate and consistent daily feeding schedules for dependable performance while you are away

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00027ZTB6 |
| Additional Features | Feeding Schedule, Portable, Portion Control |
| Age Range Description | All Life Stages |
| Best Sellers Rank | #26,562 in Pet Supplies ( See Top 100 in Pet Supplies ) #29 in Automatic Fish Feeders |
| Brand | Fish Mate |
| Brand Name | Fish Mate |
| Breed Recommendation | Fish |
| Capacity | 1 liters |
| Color | 21 Meals |
| Customer Reviews | 3.8 out of 5 stars 7,766 Reviews |
| Dog Breed Size | Large |
| Global Trade Identification Number | 00035368002113 |
| Included Components | Pellet Selector |
| Item Dimensions L x W x H | 7.25"L x 3.5"W x 6.88"H |
| Item Type Name | Fish Feeder |
| Item Weight | 600 g |
| Manufacturer | Pet Mate |
| Manufacturer Part Number | 211 |
| Material | Polypropylene |
| Material Type | Polypropylene |
| Model Number | 211 |
| Operation Mode | Automatic |
| Power Source | Battery Powered |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Multiple Pets |
| Special Feature | Feeding Schedule, Portable, Portion Control |
| Style | Modern |
| Target Species | Fish |
| UPC | 035368002113 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Standard Warranty, 2 additional years of warranty coverage by registering the product with the manufacturer, Closer Pets. |

## Product Details

- **Brand:** Fish Mate
- **Material:** Polypropylene
- **Recommended Uses For Product:** Multiple Pets
- **Special Feature:** Feeding Schedule, Portable, Portion Control
- **Target Species:** Fish

## Images

![Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums - Image 1](https://m.media-amazon.com/images/I/81-NLKleDTL.jpg)
![Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums - Image 2](https://m.media-amazon.com/images/I/71dleQNSMwL.jpg)
![Fish Mate P21 Programmable Automatic Fish Feeder for Pond & Large Aquariums - Image 3](https://m.media-amazon.com/images/I/81G5+XkoC8L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Simple solution that really works
*by R***G on January 9, 2017*

It's closer to 4.5 stars. I've used the drum autofeeders in the past and hated them because it's so hard to guess the opening for the right amount of food to dispense, and the moisture makes short, moldy work of flake food. I have 4 tanks, I bought one to try out: it was a bit frustrating at first because the tray moves/lifts off so easily that it took me 3 (irritating) tries to get the food in and the feeder situated on the aquarium. I learned it's very helpful to stick a fat pen (sharpie, etc) into the opening to keep it from spinning. The aquarium I tested it out on is 55 gal, and that has the LED light inserts - I just removed one of the lights, pulled back the plastic cover that protects the light, and set the feeder so that the opening was over the exposed water. It was too close to the water for the flake food, and I was not interested in hooking up an air pump, so I elevated it by putting some cut wood paneling pieces under it to raise it about 4". That helped tremendously, but sometimes the flakes still got too moist and wouldn't dispense because it stuck to the sidewalls of the tray. So rather than raise it anymore, I just opened the cover - viola! That did it. I have several different kinds of fish, so in addition to flakes, there are shrimp pellets, freeze-dried bloodworms, and algae tablets (broken into pieces. What makes this great is that it dispenses exactly the amounts of the different foods rather than random mixture from the drum-style feeders and this is what sold me. I have ordered 3 more for my other tanks - all of which I can make work in a very similar fashion. Do test it out before you go on vacation - make sure you've worked any of the bugs out and that you're confident it will work while you're gone. I was ready to get rid of my tanks because it was so stressful trying to arrange someone to come over to feed them while I was out of town, but now this has removed the stress and I'm glad that I can keep my fish tanks:) The cons are the irritation at how easily it is to mess up the food you so carefully distribute into each cell, just by a little bump (thus having to do it all over again), and the price - I don't see how in the world this thing should cost almost $25 - that's highway robbery for such a simple gadget (no LCD display or anything - just a simple clock mechanism and all plastic parts). But I'm obviously willing to pay it because it's a simple solution that works really well. *Update, I'll bump it up to 4.75 stars (still the price factor is ridiculous), but I did order the other 3 and have them all on my tanks. They work so well, I use them as everyday feeders (they were originally intended as vacation feeders only). Using them creates less wasted food because it dispenses a little at a time over an hour, so the fish have time to get it all rather than having some of it get sucked up in the filter. I have it feed them 2x a day - so once a week I fill all the feeders (it's helpful to remove the feeder, set it on a table, stick a fat pen (or something comparable) into the opening to stop the wheel from spinning, and use a small funnel when adding food to the chambers.)

### ⭐⭐⭐⭐ Workable solution for taking an out of town.
*by M***N on June 8, 2026*

The item works much like the lamp timers one would use. Very straightforward in that respect. There are a number of hoppers that you place desired food in and it will turn to open those in a Ferris wheel type motion. Flakes, small pellets, and some other thin items are not going to work well since they will both slip below the carousel but also get sticky from humidity and not clear the device. It works well enough to use those items for a few days and doesn't pose the risk of ammonia overload like the dissolve tablets tend to do. For occasional use, far above a tank, or even exploring the air pump option (opening the lid did not work in my case) this is a pretty good device. Cannot recommend as a hands off solution without constant supervision over a few days of from clean use.

### ⭐⭐⭐⭐⭐ Excellent Feeder - Ensures My Betta and African Dwarf Frog are Well Fed Each Day
*by K***N on July 28, 2021*

The Fish Mate F14 Aquarium Fish Feeder is a fantastic feeder to use when you're away from your fishtank for more than a week at a time. The feeder works very well to dispense pellets, dried bloodworms, and dried brine shrimp to my betta and African dwarf frog. To use, simply set the time on the unit, put in a peg (or multiple pegs if you plan on feeding more than one time a day) at the time you want the food to drop, then let the unit do its thing. The clock works like a kitchen timer - the peg rotates as the minutes tick away, and once it gets the designated feeding time, the peg helps move the large circular feeding tray to drop the food in the water. This unit doesn't work all that well with flake food, although it is advertised as being able to dispense it. This wasn't a huge issue for me as I can use betta pellets to feed my fish, but it would be nice if it worked better for the flake food for the guppies - luckily those greedy guys like betta pellets also. I've been using the unit since I originally ordered it in May - so far, it's run about 2 months on a single battery and it's worked flawlessly. We've refilled the unit every two weeks, and so far everyone is alive and well in the tank. I plan on changing out the battery before we go on vacation to make sure that the battery doesn't run out once we're gone. This feeder has worked so well that I just ordered a second unit for our other tank. One thing to note is that if you plan on feeding your fish twice a day that there's only enough slots for a weeks worth of food. If you feed once a day, this can hold two weeks of food. Overall, this is a really handy feeder to have and it will guarantee your fish will be fed the correct amount for the days that you're gone.

## Frequently Bought Together

- Fish Mate Automatic Pond and Aquarium Fish Feeder (P21)
- Kaytee Koi's Choice Koi Floating Fish Food, 10 Pound
- Fish Mate P7000 Large, 6 lbs Capacity, Rain-Resistant Automatic Pond Fish Feeder

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-30*