A short video on assembling this pump after cleaning done.
Thanks for watching.
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Guys.... WE HAVE A SERIAL KILLER... :) Another failure with same symptom, wire damage. Look closely at the wire few inches from the pump body, sign of being nibble.
This is the second pump that fail the same way in the same tank, never had happen before. The tank was not new and I had pumps in it before without any problem. First it happen : Here as photo below.
Initially I thought it was the pump build quality, then could it be the wire chafe against the fibre tank. The pump has been use before and the tank is not new, no failure of this nature. I know rats love to chew on wire, sometimes we can find them electrocuted while trying to munch through the insulator. But this wire is underwater, and rat dont do scuba dive. One possibilities... its the Pacu that did it. Only this tank has Pacu fish and I only started doing pacu this year. I never had this problem before. Wiki on pacu : Here
Photo above from the web of a Pacu fish.
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Making this simple device to measure water inflow to growbed. This is helpful since I can then document siphon water operating range. which now is not so accurately done.
I use the Bettas BT 6000 pump as the water source and a mechanical flow rate gauge utilizing float type weight to shows water flow rate.
Two stop cock use, one as diverter and the other just to provide restriction just incase the diversion is not enough.
Below a short video presentation of the flow tester.
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Lets see what this pump looks like, its been running good for the last few years. I decide to stop its usage to reduce my Aquaponics set carbon foot print.
This Resun Penguin was bought on 26th June 2009, not bad it run for at least 5 years. Short video presentation of the pump.
Thanks for watching
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Coco peat soil mix trial on my gutter set is not giving good result, it could be the type of plant that I tried.
Spearmint, on left with coco peat and right with hydroton. Both of these are in the same gutter growbed system.
Bawang Dayak, this in front compare to the one at the back which is in hydroton. The one in hydroton grow better. These coco peat mix could be waterlogged in the flood & drain system. I will need to use pebbles next to provide alternative to hydroton.
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Another pump fail, this time the pump is running slightly more than a month. Electrical cable that was in the tank got damaged and I dont know what causes it.
I almost got an electric shock when I was about to check the pump operation, luckily I manage to back off before any bigger shock is felt.
Other pump running in the same tank doesnt have any problem like this, there also sign of worn on the spindle. This pump was use the most for two months total, its doesnt look good.
Close up on spindle.
Thats it, I will not buy this brand until I can be sure that this will not happen again.
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Two item has arrived earlier today, its the 5A Solar Charge Controller and a 12VDC 5W Water Pump. These two is part of the components needed to get my aquaponics into solar powered.
Below are unboxing video of the two.
Thanks for watching.
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I had been using the Astro pump from the start of my Aquaponics hobby. Its time to look for some other brand that may be better suited for my usage. This Sunsun HJ 1100 looks interesting enough for me to give it a try.
The Astro AS1000 rated 14 watt ,1000 liter/hr at 0m and max head is 1 meter.
Rating graph of the AS 1000.
Sunsun HJ 1100 rated 20 watt 900 liter/hr at 0m and max head is 1.5 meter. The Sunsun is cheaper by RM5.00 as compared to the AS1000.
Rating for the HJ 1100
On my gutter growbed system I need more water inflow but try to maintain a pump that is small and relatively low power. So at 20 watt is the max Ill do for two 15 mm siphon at 24 inches water head.
The HJ 1100 comes with various fittings for water outlet coupling and two types of feet.
I use the rubber bung type of feet, no need of the suction type which wont really hold but just makes it difficult if you want to remove the pump from the tank.
Same like the HJ 600 that I purchased for the Ornamental set it has a variable water output by means of this blue dial that in this installation I leave it to the max.
Water inlet to gutter increase as compared to the AS 1000 delivery, this increase in water in-flow makes it necessary to retune the siphon since it had exceeds the normal operating range of a standard installation.
Whether this new pump is better than AS1000, only after a prolong usage will tell. Both pump are cheap at about USD 10.00 each.
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Brief update on this set that I made early July and been running well. Need to test more plants and take note what improvement I can make and address problems that crop up.
So far Im happy with the setup, it is very easy to maintain and make. There are few fine bits that I need to iron out as time goes by. Initial setup : Here
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On one of my ornamental set I planted this Pegaga Gajah, since the set was near a shaded area.
There are other variety of this plant, but the Pegaga Gajah is the best for Aquaponics set up.
Very soon they will colonize the entire growbed, and it will be a good test for the siphon to cope with massive root growth.
The metal bracket is for a temporary shelter to ensure they survive this next few days after transplanting.
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Was very hot these last few weeks and it affect even aquaponics plants, especially the newly planted seedlings.
Few Chili plants that I transplanted to the Ornamental set was dying after the move and I had to act fast before its too late.
I have few spare nettings from previous project and they are put to give some shade to the chili plants. Slowly there is sign of recovery and during peak daylight it manage to reduce the intense heat giving time for the seedling to grow.
Some light drizzle this last day or two do help in cooling down the set and reduce overall tenmperature during the day. Still few weeks to go and I hope they survive to give me red hot chili.
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Apart from doing the racking.. as earlier post : Here Few seedling needs transplant and rear growbed redo to after few weeks of neglect.
Eggplants above dont look healthy, these need urgent attention !! Transplant three of them into individual hydroton pots and place it in the growbed where the Sambung Nyawa are located.
Will see if they recover into healthy plants in a couple of weeks.
After the eggplants, Tomatoes that I transplant last week still has few more of same batch and just re-pot a few and the rest has to be wasted due to overcrowded.
Nothing interesting, just a normal day at the Aquaponics.
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Few types of pump tested on the ornamental set ranging from Alpha 1000, Alpha 500 and the Venusaqua E3302. Since I am trying to use the smallest siphon for the Ornamental set the Alpha 1000 and Venusaqua pump were not suitable due to the large flow rate. The Alpha 500 works with the small siphon (15mm) but this pump construction make its maintenance high. The rotor is held by a shaft anchored at one end leaving the other unsupported and it is prone to cavitation. However it has been tested for almost eight month and still running. It only requires constant up keeping. Test a different pump today a Sunsun HJ-600, an 8 watt pump with a flow rate of 600 Liter per hour maximum at zero head.
List of pump parts below.
The HJ-600 Specification.
The HJ-600 output verses height.
This pump has a front dial to adjust output. It does work, on my ornamental set with 15mm siphon I set it to slightly above the minus mark.
Side view, this pump is in 3 section, the front is the intake with the grille and flow adjuster. The mid section where the pump impeller vane and the front spindle support, with the back part house the motor coil and the permanent magnet rotor.
On the body it is rated at 10watt, oh well.. and the height max is 1.5 m, not bad for a small pump.
The other side of the pump.
Mid section after the grille removed.
The front part where the grille and flow adjuster.
To remove the mid section, quarter turn it anti-clockwise and it it detach from the body.
Exposing the impeller and rotor.
The impeller is different from Alpha series where this design reminds me of turtle climbing from a hole.
Shaft is stainless steel, to small for a ceramic but it is significantly larger that anything in its class. With larger spindle shaft pump will last longer.
Rotor removed exposing the housing which has a hols ad the beck for the shaft pivot point.
The back with hold for the shock mount rubber. This design should makes it easier to clean the mousing since we can have a water path right through.
All the attachment came with the pump, not in picture is a filler sponge.
Pump assembled, ready for installation.
Whats left not required for operation.
In the water and will be tested for few months under actual aquaponics setup.
First flush.
Water in rate as at slightly above the minus sign and only after prolong use I will know how good is this pump for this set.
There you go,
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