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  • 20-Gallon Aquaponics System With Arduino Monitoring

    Nice job! A few (helpful?) comments though...- A common reason for fish to jump out of a tank is lack of dissolved oxygen. Be sure the return water has plenty of splash at the surface of the fish tank. Fish need to breathe too.- I didn't see any mention of 'cycling' in your discussion. These systems require time for the beneficial bacteria to colonize in the bio-filter to levels capable of processing the ammonia and nitrites from your fish waste. Without the bio-filter, frequent water changes are required (just like in goldfish bowls). The drawback is that nutrients for your plants go down the drain.- 20 gallon systems are (although great for learning) notoriously difficult to control. Changes in pH and temperature can occur rapidly and swing wildly. The minimum recommended system size...

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    Nice job! A few (helpful?) comments though...- A common reason for fish to jump out of a tank is lack of dissolved oxygen. Be sure the return water has plenty of splash at the surface of the fish tank. Fish need to breathe too.- I didn't see any mention of 'cycling' in your discussion. These systems require time for the beneficial bacteria to colonize in the bio-filter to levels capable of processing the ammonia and nitrites from your fish waste. Without the bio-filter, frequent water changes are required (just like in goldfish bowls). The drawback is that nutrients for your plants go down the drain.- 20 gallon systems are (although great for learning) notoriously difficult to control. Changes in pH and temperature can occur rapidly and swing wildly. The minimum recommended system size is usually 200 gallons.

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  • High Quality (and Safe) Nickel Plating

    check conductivity yes, as well as structural integrity. you wouldn't want the bottom to drop out. really tiny parts as originally targeted here might not weigh enough to be a problem but they would also only require a very tiny basket. one might try a basket formed of silver foil. 25 3-3/8" square sheets from amazon, under $16. hang it from nickel guitar strings. can't find a thickness specified though. probably would need multiple sheets for strength.

    yeah, the more I thought about it, the more I realized it would take a gold, silver or palladium wire basket.

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  • High Quality (and Safe) Nickel Plating

    maybe a stainless steel basket will work. recommend you shake it up from time to time to be sure all sides are plated and the parts don't stick together

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