Aquaponics build materials & water test kits

Jumaat, 4 Mei 2018, 3:00 pm0

Continuation from the previous materials list. These remaining materials were ordered online since I couldn’t find them sold here, and I simply don’t have time to go around the city to look for shop that sell them.

Pond liner, bought online from seller from China. When I asked around hardware shops, they don’t recognize what pond liner is, and they confused it with weedmat.

Garden mesh netting, also bought online from Chinese seller. However currently I haven’t decided on whether to use it on this aquaponics set, or will reuse it for another project.

K1 bio media. 1cm diameter, total 1 kg occupies 6 liters of volume. Using my 12 gallon pail as bio filter tank, this K1 media is a bit too little, should have bought about 4 to 5 kg of them.

Ammonia test kit. This is important for doing initial system cycle later.

System cycle is a process to be performed on new system, to ensure nitrifying bacteria are colonizing the system. I plan to cycle the system using fish, by lowering stocking density and feed rate, then I need to monitor ammonia level daily to ensure it doesn’t exceed dangerous level. This is to ensure enough nitrifying bacteria to grow to convert those ammonia into nitrate, and this process will continue for about one to two months.

pH meter (with buffer powder) and EC (electrical conductivity) meter.

Water pH is one of the most important parameter to monitor. Initially, the system water pH will be a bit high (7 – 8 pH), and over time, the pH should fluctuate around 6 – 7 pH. For EC meter, it’s not so useful for aquaponics, but I think perhaps in future I’ll try hydroponics or fertigation, and EC meter is very useful to measure the fertilizer solution.

Other water test kits that will be beneficial to have are dissolved oxygen meter, various nutrient test meter (to test important nutrient such nitrogen, phosphorus, potassium, calcium, magnesium etc.) and thermometer. All these water parameter data will be useful later to analyze effectiveness of the system.

Floating raft

11 Mei 2018

Chilli 2nd batch

26 April 2018

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